diff --git a/docs/.buildinfo b/docs/.buildinfo
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-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
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+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
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@@ -326,7 +330,7 @@ <h1>All modules for which code is available</h1>
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
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diff --git a/docs/_modules/pycantonese/corpus.html b/docs/_modules/pycantonese/corpus.html
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@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.corpus &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.corpus &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
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-                3.2.2
+                3.2.3
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@@ -171,69 +171,73 @@
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id17">Fixed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id22">Security</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id24">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id26">Added</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id32">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -712,7 +716,7 @@ <h1>Source code for pycantonese.corpus</h1><div class="highlight"><pre>
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_modules/pycantonese/jyutping/characters.html b/docs/_modules/pycantonese/jyutping/characters.html
index 75e48b7..155acc0 100644
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@@ -7,7 +7,7 @@
   
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+  <title>pycantonese.jyutping.characters &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
               <div class="version">
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+                3.2.3
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@@ -171,69 +171,73 @@
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 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id9">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
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 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id26">Added</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id31">Added</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
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@@ -447,7 +451,7 @@ <h1>Source code for pycantonese.jyutping.characters</h1><div class="highlight"><
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_modules/pycantonese/jyutping/parse_jyutping.html b/docs/_modules/pycantonese/jyutping/parse_jyutping.html
index 91b349e..d8fedae 100644
--- a/docs/_modules/pycantonese/jyutping/parse_jyutping.html
+++ b/docs/_modules/pycantonese/jyutping/parse_jyutping.html
@@ -7,7 +7,7 @@
   
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-  <title>pycantonese.jyutping.parse_jyutping &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.jyutping.parse_jyutping &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
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@@ -171,69 +171,73 @@
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id16">Added</a></li>
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 </ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id22">Security</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
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+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id24">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id26">Added</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -507,7 +511,7 @@ <h1>Source code for pycantonese.jyutping.parse_jyutping</h1><div class="highligh
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_modules/pycantonese/jyutping/tipa.html b/docs/_modules/pycantonese/jyutping/tipa.html
index d1f7f99..744888d 100644
--- a/docs/_modules/pycantonese/jyutping/tipa.html
+++ b/docs/_modules/pycantonese/jyutping/tipa.html
@@ -7,7 +7,7 @@
   
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-  <title>pycantonese.jyutping.tipa &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.jyutping.tipa &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -171,69 +171,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id5">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id7">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id14">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id22">Security</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../../../archives.html">Archives</a><ul>
@@ -456,7 +460,7 @@ <h1>Source code for pycantonese.jyutping.tipa</h1><div class="highlight"><pre>
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_modules/pycantonese/jyutping/yale.html b/docs/_modules/pycantonese/jyutping/yale.html
index cc13be2..97e7398 100644
--- a/docs/_modules/pycantonese/jyutping/yale.html
+++ b/docs/_modules/pycantonese/jyutping/yale.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.jyutping.yale &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.jyutping.yale &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -171,69 +171,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../../../archives.html">Archives</a><ul>
@@ -634,7 +638,7 @@ <h1>Source code for pycantonese.jyutping.yale</h1><div class="highlight"><pre>
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_modules/pycantonese/pos_tagging/hkcancor_to_ud.html b/docs/_modules/pycantonese/pos_tagging/hkcancor_to_ud.html
index a5badd6..71cca67 100644
--- a/docs/_modules/pycantonese/pos_tagging/hkcancor_to_ud.html
+++ b/docs/_modules/pycantonese/pos_tagging/hkcancor_to_ud.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.pos_tagging.hkcancor_to_ud &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.pos_tagging.hkcancor_to_ud &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -171,69 +171,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id16">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Changed</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id21">Deprecated</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id24">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id26">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id32">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -501,7 +505,7 @@ <h1>Source code for pycantonese.pos_tagging.hkcancor_to_ud</h1><div class="highl
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_modules/pycantonese/pos_tagging/tagger.html b/docs/_modules/pycantonese/pos_tagging/tagger.html
index dbe4e2b..a6799dd 100644
--- a/docs/_modules/pycantonese/pos_tagging/tagger.html
+++ b/docs/_modules/pycantonese/pos_tagging/tagger.html
@@ -7,7 +7,7 @@
   
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-  <title>pycantonese.pos_tagging.tagger &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.pos_tagging.tagger &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
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-                3.2.2
+                3.2.3
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@@ -171,69 +171,73 @@
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 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id17">Fixed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id22">Security</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id24">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../../changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -669,7 +673,7 @@ <h1>Source code for pycantonese.pos_tagging.tagger</h1><div class="highlight"><p
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_modules/pycantonese/stop_words.html b/docs/_modules/pycantonese/stop_words.html
index 99d1ada..7a22a27 100644
--- a/docs/_modules/pycantonese/stop_words.html
+++ b/docs/_modules/pycantonese/stop_words.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.stop_words &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.stop_words &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -171,69 +171,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id3">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id5">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id7">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id18">Changed</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id20">Changed</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id21">Deprecated</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id26">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id32">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -474,7 +478,7 @@ <h1>Source code for pycantonese.stop_words</h1><div class="highlight"><pre>
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_modules/pycantonese/word_segmentation.html b/docs/_modules/pycantonese/word_segmentation.html
index 73f79b8..a2c882b 100644
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@@ -7,7 +7,7 @@
   
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-  <title>pycantonese.word_segmentation &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.word_segmentation &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
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-                3.2.2
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@@ -171,69 +171,73 @@
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 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id18">Changed</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id16">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id22">Security</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id26">Added</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -435,7 +439,7 @@ <h1>Source code for pycantonese.word_segmentation</h1><div class="highlight"><pr
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_modules/pylangacq/chat.html b/docs/_modules/pylangacq/chat.html
index 372b766..385787f 100644
--- a/docs/_modules/pylangacq/chat.html
+++ b/docs/_modules/pylangacq/chat.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pylangacq.chat &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pylangacq.chat &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -171,69 +171,73 @@
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 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id16">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id22">Security</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id24">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id29">Removed</a></li>
 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -1723,7 +1727,7 @@ <h1>Source code for pylangacq.chat</h1><div class="highlight"><pre>
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/_sources/changelog.rst.txt b/docs/_sources/changelog.rst.txt
index c3d7713..374af5d 100644
--- a/docs/_sources/changelog.rst.txt
+++ b/docs/_sources/changelog.rst.txt
@@ -24,6 +24,15 @@ Fixed
 Security
 ^^^^^^^^
 
+[3.2.3] - 2021-04-12
+--------------------
+
+Fixed
+^^^^^
+
+
+* Fixed character issues in the built-in HKCanCor data: 𥄫
+
 [3.2.2] - 2021-03-23
 --------------------
 
diff --git a/docs/_static/documentation_options.js b/docs/_static/documentation_options.js
index 8ec8088..bdf73cb 100644
--- a/docs/_static/documentation_options.js
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@@ -1,6 +1,6 @@
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+    VERSION: '3.2.3',
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diff --git a/docs/api.html b/docs/api.html
index 8d4a2ae..a3c0569 100644
--- a/docs/api.html
+++ b/docs/api.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>API Reference &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>API Reference &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
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@@ -173,69 +173,73 @@
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Fixed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -1610,7 +1614,7 @@ <h2><a class="reference internal" href="#pycantonese.jyutping.Jyutping" title="p
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/archives.html b/docs/archives.html
index aa67877..12f97ee 100644
--- a/docs/archives.html
+++ b/docs/archives.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Archives &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Archives &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -65,7 +65,7 @@
             
             
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-                3.2.2
+                3.2.3
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@@ -172,69 +172,73 @@
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id18">Changed</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Fixed</a></li>
 </ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1 current"><a class="current reference internal" href="#">Archives</a><ul>
@@ -345,7 +349,7 @@ <h2>Tutorials<a class="headerlink" href="#tutorials" title="Permalink to this he
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/changelog.html b/docs/changelog.html
index 64dffed..68ae445 100644
--- a/docs/changelog.html
+++ b/docs/changelog.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Changelog &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Changelog &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="archives.html">Archives</a><ul>
@@ -330,47 +334,56 @@ <h3>Security<a class="headerlink" href="#security" title="Permalink to this head
 </div>
 </div>
 <div class="section" id="id2">
-<h2>[3.2.2] - 2021-03-23<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
+<h2>[3.2.3] - 2021-04-12<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
 <div class="section" id="id3">
 <h3>Fixed<a class="headerlink" href="#id3" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
-<li><p>Fixed a CHAT parsing issue when correction and repetition are combined,
-by bumping the pylangacq dependency from v0.13.0 to v0.13.1.</p></li>
+<li><p>Fixed character issues in the built-in HKCanCor data: 𥄫</p></li>
 </ul>
 </div>
 </div>
 <div class="section" id="id4">
-<h2>[3.2.1] - 2021-03-21<a class="headerlink" href="#id4" title="Permalink to this headline">¶</a></h2>
+<h2>[3.2.2] - 2021-03-23<a class="headerlink" href="#id4" title="Permalink to this headline">¶</a></h2>
 <div class="section" id="id5">
 <h3>Fixed<a class="headerlink" href="#id5" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
-<li><p>Fixed character issues in the built-in HKCanCor data: 𠮩𠹌, 𠻗</p></li>
+<li><p>Fixed a CHAT parsing issue when correction and repetition are combined,
+by bumping the pylangacq dependency from v0.13.0 to v0.13.1.</p></li>
 </ul>
 </div>
 </div>
 <div class="section" id="id6">
-<h2>[3.2.0] - 2021-03-20<a class="headerlink" href="#id6" title="Permalink to this headline">¶</a></h2>
+<h2>[3.2.1] - 2021-03-21<a class="headerlink" href="#id6" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id7">
+<h3>Fixed<a class="headerlink" href="#id7" title="Permalink to this headline">¶</a></h3>
+<ul class="simple">
+<li><p>Fixed character issues in the built-in HKCanCor data: 𠮩𠹌, 𠻗</p></li>
+</ul>
+</div>
+</div>
+<div class="section" id="id8">
+<h2>[3.2.0] - 2021-03-20<a class="headerlink" href="#id8" title="Permalink to this headline">¶</a></h2>
 <p>Note: The underlying CHAT parser, the PyLangAcq package, has been bumped to v0.13.0.
 All of the updates of PyLangAcq’s CHAT reader apply to this PyCantonese release
 as well. The details are in
 <a class="reference external" href="https://github.com/jacksonllee/pylangacq/releases/tag/v0.13.0">PyLangAcq’s changelog for v0.13.0</a>.
 The changelog entries below only document updates specific to PyCantonese.</p>
-<div class="section" id="id7">
-<h3>Added<a class="headerlink" href="#id7" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id9">
+<h3>Added<a class="headerlink" href="#id9" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Defined the <code class="docutils literal notranslate"><span class="pre">Jyutping</span></code> class to better represent parsed Jyutping romanization.</p></li>
 </ul>
 </div>
-<div class="section" id="id8">
-<h3>Changed<a class="headerlink" href="#id8" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id10">
+<h3>Changed<a class="headerlink" href="#id10" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Bumped the PyLangAcq dependency to v0.13.0.</p></li>
 <li><p>The function <code class="docutils literal notranslate"><span class="pre">parse_jyutping</span></code> now returns a list of <code class="docutils literal notranslate"><span class="pre">Jyutping</span></code> objects,
 rather than tuples of strings.</p></li>
 </ul>
 </div>
-<div class="section" id="id9">
-<h3>Deprecated<a class="headerlink" href="#id9" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id11">
+<h3>Deprecated<a class="headerlink" href="#id11" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>The following methods in the <code class="docutils literal notranslate"><span class="pre">CHATReader</span></code> class have been deprecated:</p>
 <ul>
@@ -387,26 +400,26 @@ <h3>Deprecated<a class="headerlink" href="#id9" title="Permalink to this headlin
 </li>
 </ul>
 </div>
-<div class="section" id="id10">
-<h3>Fixed<a class="headerlink" href="#id10" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id12">
+<h3>Fixed<a class="headerlink" href="#id12" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed the character issues in the built-in HKCanCor data: 𠺢, 𠺝, 𡁜, 𧕴, 𥊙, 𡃓, 𠴕, 𡀔</p></li>
 </ul>
 </div>
 </div>
-<div class="section" id="id11">
-<h2>[3.1.1] - 2021-03-18<a class="headerlink" href="#id11" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="id12">
-<h3>Fixed<a class="headerlink" href="#id12" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id13">
+<h2>[3.1.1] - 2021-03-18<a class="headerlink" href="#id13" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id14">
+<h3>Fixed<a class="headerlink" href="#id14" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Pinned pylangacq at 0.12.0 (the new 0.13.0 has breaking changes).</p></li>
 </ul>
 </div>
 </div>
-<div class="section" id="id13">
-<h2>[3.1.0] - 2021-02-21<a class="headerlink" href="#id13" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="id14">
-<h3>Added<a class="headerlink" href="#id14" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id15">
+<h2>[3.1.0] - 2021-02-21<a class="headerlink" href="#id15" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id16">
+<h3>Added<a class="headerlink" href="#id16" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Part-of-speech tagging:</p>
 <ul>
@@ -425,8 +438,8 @@ <h3>Added<a class="headerlink" href="#id14" title="Permalink to this headline">
 <li><p>The test suite now covers code snippets in both the docstrings and <code class="docutils literal notranslate"><span class="pre">.rst</span></code> doc files.</p></li>
 </ul>
 </div>
-<div class="section" id="id15">
-<h3>Fixed<a class="headerlink" href="#id15" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id17">
+<h3>Fixed<a class="headerlink" href="#id17" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed the issue of not opening text files with UTF-8 encoding
 (a possible issue on Windows).</p></li>
@@ -437,10 +450,10 @@ <h3>Fixed<a class="headerlink" href="#id15" title="Permalink to this headline">
 </ul>
 </div>
 </div>
-<div class="section" id="id16">
-<h2>[3.0.0] - 2020-10-25<a class="headerlink" href="#id16" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="id17">
-<h3>Added<a class="headerlink" href="#id17" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id18">
+<h2>[3.0.0] - 2020-10-25<a class="headerlink" href="#id18" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id19">
+<h3>Added<a class="headerlink" href="#id19" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Word segmentation:</p>
 <ul>
@@ -471,8 +484,8 @@ <h3>Added<a class="headerlink" href="#id17" title="Permalink to this headline">
 <li><p>Added support for Python 3.9.</p></li>
 </ul>
 </div>
-<div class="section" id="id18">
-<h3>Changed<a class="headerlink" href="#id18" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id20">
+<h3>Changed<a class="headerlink" href="#id20" title="Permalink to this headline">¶</a></h3>
 <div class="section" id="api-breaking-changes">
 <h4>API-breaking Changes<a class="headerlink" href="#api-breaking-changes" title="Permalink to this headline">¶</a></h4>
 <ul class="simple">
@@ -493,8 +506,8 @@ <h4>Non-API-breaking Changes<a class="headerlink" href="#non-api-breaking-change
 </ul>
 </div>
 </div>
-<div class="section" id="id19">
-<h3>Deprecated<a class="headerlink" href="#id19" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id21">
+<h3>Deprecated<a class="headerlink" href="#id21" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>The following <code class="docutils literal notranslate"><span class="pre">x2y</span></code> functions have been deprecated in favor of their
 equivalents named in the form of <code class="docutils literal notranslate"><span class="pre">x_to_y</span></code>.</p>
@@ -506,27 +519,27 @@ <h3>Deprecated<a class="headerlink" href="#id19" title="Permalink to this headli
 </li>
 </ul>
 </div>
-<div class="section" id="id20">
-<h3>Security<a class="headerlink" href="#id20" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id22">
+<h3>Security<a class="headerlink" href="#id22" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Turned on HTTPS for the pycantonese.org domain.</p></li>
 </ul>
 </div>
 </div>
-<div class="section" id="id21">
-<h2>[2.4.1] - 2020-10-10<a class="headerlink" href="#id21" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="id22">
-<h3>Fixed<a class="headerlink" href="#id22" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id23">
+<h2>[2.4.1] - 2020-10-10<a class="headerlink" href="#id23" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id24">
+<h3>Fixed<a class="headerlink" href="#id24" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Switched to the <code class="docutils literal notranslate"><span class="pre">wordseg</span></code> dependency to a PyPI source instead of a
 GitHub direct link.</p></li>
 </ul>
 </div>
 </div>
-<div class="section" id="id23">
-<h2>[2.4.0] - 2020-10-10<a class="headerlink" href="#id23" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="id24">
-<h3>Added<a class="headerlink" href="#id24" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id25">
+<h2>[2.4.0] - 2020-10-10<a class="headerlink" href="#id25" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id26">
+<h3>Added<a class="headerlink" href="#id26" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Added the <code class="docutils literal notranslate"><span class="pre">characters2jyutping()</span></code> function for converting
 Cantonese characters to Jyutping romanization.</p></li>
@@ -534,50 +547,50 @@ <h3>Added<a class="headerlink" href="#id24" title="Permalink to this headline">
 </ul>
 </div>
 </div>
-<div class="section" id="id25">
-<h2>[2.3.0] - 2020-07-24<a class="headerlink" href="#id25" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="id26">
-<h3>Added<a class="headerlink" href="#id26" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id27">
+<h2>[2.3.0] - 2020-07-24<a class="headerlink" href="#id27" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id28">
+<h3>Added<a class="headerlink" href="#id28" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Added support for Python 3.7 and 3.8.</p></li>
 </ul>
 </div>
-<div class="section" id="id27">
-<h3>Removed<a class="headerlink" href="#id27" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id29">
+<h3>Removed<a class="headerlink" href="#id29" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Dropped support for Python 3.4 and 3.5 (supporting 3.6, 3.7, and 3.8 now).</p></li>
 </ul>
 </div>
 </div>
-<div class="section" id="id28">
-<h2>[2.2.0] - 2018-06-30<a class="headerlink" href="#id28" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="id29">
-<h3>Added<a class="headerlink" href="#id29" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id30">
+<h2>[2.2.0] - 2018-06-30<a class="headerlink" href="#id30" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id31">
+<h3>Added<a class="headerlink" href="#id31" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>104 stop words.</p></li>
 </ul>
 </div>
 </div>
-<div class="section" id="id30">
-<h2>[2.1.0] - 2018-06-11<a class="headerlink" href="#id30" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="id31">
-<h3>Added<a class="headerlink" href="#id31" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id32">
+<h2>[2.1.0] - 2018-06-11<a class="headerlink" href="#id32" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id33">
+<h3>Added<a class="headerlink" href="#id33" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Exposed the <code class="docutils literal notranslate"><span class="pre">exclude</span></code> parameter in various reader methods
 for excluding specific participants. This parameter was implemented at
 pylangacq v0.10.0.</p></li>
 </ul>
 </div>
-<div class="section" id="id32">
-<h3>Fixed<a class="headerlink" href="#id32" title="Permalink to this headline">¶</a></h3>
+<div class="section" id="id34">
+<h3>Fixed<a class="headerlink" href="#id34" title="Permalink to this headline">¶</a></h3>
 <ul class="simple">
 <li><p>Allowed “n” to be a syllabic nasal.</p></li>
 <li><p>Fixed corpus reader not picking up the characters.</p></li>
 </ul>
 </div>
 </div>
-<div class="section" id="id33">
-<h2>[2.0.0] - 2016-02-06<a class="headerlink" href="#id33" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id35">
+<h2>[2.0.0] - 2016-02-06<a class="headerlink" href="#id35" title="Permalink to this headline">¶</a></h2>
 <ul class="simple">
 <li><p>PyCantonese now requires Python 3.4 or above.</p></li>
 <li><p>Adopted the CHAT corpus format, piggybacking on <a class="reference external" href="http://pylangacq.org/">PyLangAcq</a></p></li>
@@ -591,8 +604,8 @@ <h2>[2.0.0] - 2016-02-06<a class="headerlink" href="#id33" title="Permalink to t
 <a class="reference external" href="https://github.com/pycantonese/pycantonese/issues/9">#9</a></p></li>
 </ul>
 </div>
-<div class="section" id="id39">
-<h2>[1.0] - 2015-09-06<a class="headerlink" href="#id39" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id41">
+<h2>[1.0] - 2015-09-06<a class="headerlink" href="#id41" title="Permalink to this headline">¶</a></h2>
 <ul class="simple">
 <li><p>Fixed the Jyutping-Yale conversion issue with “yu”</p></li>
 <li><p>Added <code class="docutils literal notranslate"><span class="pre">number_of_words()</span></code> and <code class="docutils literal notranslate"><span class="pre">number_of_characters()</span></code> for corpus access</p></li>
@@ -613,22 +626,22 @@ <h2>[1.0dev] - 2015-09-02<a class="headerlink" href="#dev-2015-09-02" title="Per
 <li><p>Disabled the function for reading a custom corpus dataset (it will come back)</p></li>
 </ul>
 </div>
-<div class="section" id="id40">
-<h2>[0.2.1] - 2015-01-25<a class="headerlink" href="#id40" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id42">
+<h2>[0.2.1] - 2015-01-25<a class="headerlink" href="#id42" title="Permalink to this headline">¶</a></h2>
 <ul class="simple">
 <li><p>Fixed corpus access path issues</p></li>
 </ul>
 </div>
-<div class="section" id="id41">
-<h2>[0.2] - 2015-01-22<a class="headerlink" href="#id41" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id43">
+<h2>[0.2] - 2015-01-22<a class="headerlink" href="#id43" title="Permalink to this headline">¶</a></h2>
 <ul class="simple">
 <li><p><a class="reference external" href="http://compling.hss.ntu.edu.sg/hkcancor/">The Hong Kong Cantonese Corpus</a> is included in the package.</p></li>
 <li><p>A general-purpose <code class="docutils literal notranslate"><span class="pre">search()</span></code> function is defined, replacing the
 element-specific search functions from version 0.1.</p></li>
 </ul>
 </div>
-<div class="section" id="id42">
-<h2>[0.1] - 2014-12-17<a class="headerlink" href="#id42" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="id44">
+<h2>[0.1] - 2014-12-17<a class="headerlink" href="#id44" title="Permalink to this headline">¶</a></h2>
 <ul class="simple">
 <li><p>Basic functions available, including…</p></li>
 <li><p>Parsing Jyutping romanization</p></li>
@@ -660,7 +673,7 @@ <h2>[0.1] - 2014-12-17<a class="headerlink" href="#id42" title="Permalink to thi
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/data.html b/docs/data.html
index ea792fe..9cedeae 100644
--- a/docs/data.html
+++ b/docs/data.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Corpus Data &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Corpus Data &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="archives.html">Archives</a><ul>
@@ -487,7 +491,7 @@ <h2>Custom Data<a class="headerlink" href="#custom-data" title="Permalink to thi
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.CHATReader.html b/docs/generated/pycantonese.CHATReader.html
index c2352c6..79bf14c 100644
--- a/docs/generated/pycantonese.CHATReader.html
+++ b/docs/generated/pycantonese.CHATReader.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.CHATReader &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.CHATReader &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -602,7 +606,7 @@ <h1>pycantonese.CHATReader<a class="headerlink" href="#pycantonese-chatreader" t
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.CHATReader.search.html b/docs/generated/pycantonese.CHATReader.search.html
index bf00700..04c41b2 100644
--- a/docs/generated/pycantonese.CHATReader.search.html
+++ b/docs/generated/pycantonese.CHATReader.search.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.CHATReader.search &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.CHATReader.search &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -409,7 +413,7 @@ <h1>pycantonese.CHATReader.search<a class="headerlink" href="#pycantonese-chatre
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.characters_to_jyutping.html b/docs/generated/pycantonese.characters_to_jyutping.html
index 291caf8..be63362 100644
--- a/docs/generated/pycantonese.characters_to_jyutping.html
+++ b/docs/generated/pycantonese.characters_to_jyutping.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.characters_to_jyutping &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.characters_to_jyutping &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
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 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -372,7 +376,7 @@ <h1>pycantonese.characters_to_jyutping<a class="headerlink" href="#pycantonese-c
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.hkcancor.html b/docs/generated/pycantonese.hkcancor.html
index 540bab1..e767053 100644
--- a/docs/generated/pycantonese.hkcancor.html
+++ b/docs/generated/pycantonese.hkcancor.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.hkcancor &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.hkcancor &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
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@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -346,7 +350,7 @@ <h1>pycantonese.hkcancor<a class="headerlink" href="#pycantonese-hkcancor" title
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.jyutping_to_tipa.html b/docs/generated/pycantonese.jyutping_to_tipa.html
index e8cbf5b..f4f2be1 100644
--- a/docs/generated/pycantonese.jyutping_to_tipa.html
+++ b/docs/generated/pycantonese.jyutping_to_tipa.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.jyutping_to_tipa &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.jyutping_to_tipa &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -367,7 +371,7 @@ <h1>pycantonese.jyutping_to_tipa<a class="headerlink" href="#pycantonese-jyutpin
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.jyutping_to_yale.html b/docs/generated/pycantonese.jyutping_to_yale.html
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@@ -7,7 +7,7 @@
   
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-  <title>pycantonese.jyutping_to_yale &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.jyutping_to_yale &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
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+                3.2.3
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@@ -173,69 +173,73 @@
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 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -383,7 +387,7 @@ <h1>pycantonese.jyutping_to_yale<a class="headerlink" href="#pycantonese-jyutpin
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.parse_jyutping.html b/docs/generated/pycantonese.parse_jyutping.html
index 6d18a85..3eef7b8 100644
--- a/docs/generated/pycantonese.parse_jyutping.html
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@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.parse_jyutping &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.parse_jyutping &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -366,7 +370,7 @@ <h1>pycantonese.parse_jyutping<a class="headerlink" href="#pycantonese-parse-jyu
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.pos_tag.html b/docs/generated/pycantonese.pos_tag.html
index 51db839..155e54f 100644
--- a/docs/generated/pycantonese.pos_tag.html
+++ b/docs/generated/pycantonese.pos_tag.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.pos_tag &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.pos_tag &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -391,7 +395,7 @@ <h1>pycantonese.pos_tag<a class="headerlink" href="#pycantonese-pos-tag" title="
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.pos_tagging.hkcancor_to_ud.html b/docs/generated/pycantonese.pos_tagging.hkcancor_to_ud.html
index f35bd4e..3073f5e 100644
--- a/docs/generated/pycantonese.pos_tagging.hkcancor_to_ud.html
+++ b/docs/generated/pycantonese.pos_tagging.hkcancor_to_ud.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.pos_tagging.hkcancor_to_ud &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.pos_tagging.hkcancor_to_ud &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
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@@ -372,7 +376,7 @@ <h1>pycantonese.pos_tagging.hkcancor_to_ud<a class="headerlink" href="#pycantone
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
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diff --git a/docs/generated/pycantonese.read_chat.html b/docs/generated/pycantonese.read_chat.html
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@@ -7,7 +7,7 @@
   
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-  <title>pycantonese.read_chat &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.read_chat &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
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@@ -173,69 +173,73 @@
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 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
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 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -375,7 +379,7 @@ <h1>pycantonese.read_chat<a class="headerlink" href="#pycantonese-read-chat" tit
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
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diff --git a/docs/generated/pycantonese.segment.html b/docs/generated/pycantonese.segment.html
index 113aef8..d9186a6 100644
--- a/docs/generated/pycantonese.segment.html
+++ b/docs/generated/pycantonese.segment.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.segment &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.segment &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -379,7 +383,7 @@ <h1>pycantonese.segment<a class="headerlink" href="#pycantonese-segment" title="
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.stop_words.html b/docs/generated/pycantonese.stop_words.html
index 453c629..19e2622 100644
--- a/docs/generated/pycantonese.stop_words.html
+++ b/docs/generated/pycantonese.stop_words.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>pycantonese.stop_words &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.stop_words &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
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+                3.2.3
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@@ -173,69 +173,73 @@
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
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 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -373,7 +377,7 @@ <h1>pycantonese.stop_words<a class="headerlink" href="#pycantonese-stop-words" t
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/generated/pycantonese.word_segmentation.Segmenter.html b/docs/generated/pycantonese.word_segmentation.Segmenter.html
index 4cace86..05b643d 100644
--- a/docs/generated/pycantonese.word_segmentation.Segmenter.html
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@@ -7,7 +7,7 @@
   
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-  <title>pycantonese.word_segmentation.Segmenter &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>pycantonese.word_segmentation.Segmenter &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="../changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="../changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="../changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../archives.html">Archives</a><ul>
@@ -393,7 +397,7 @@ <h1>pycantonese.word_segmentation.Segmenter<a class="headerlink" href="#pycanton
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/genindex.html b/docs/genindex.html
index baa8c5f..bccaae9 100644
--- a/docs/genindex.html
+++ b/docs/genindex.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Index &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Index &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -64,7 +64,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -171,69 +171,73 @@
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id8">Changed</a></li>
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-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
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 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -579,7 +583,7 @@ <h2 id="W">W</h2>
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
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diff --git a/docs/index.html b/docs/index.html
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-  <title>PyCantonese: Cantonese Linguistics and NLP in Python &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>PyCantonese: Cantonese Linguistics and NLP in Python &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -67,7 +67,7 @@
             
             
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+                3.2.3
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@@ -174,69 +174,73 @@
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 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
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+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
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 <li class="toctree-l1"><a class="reference internal" href="archives.html">Archives</a><ul>
@@ -440,7 +444,7 @@ <h2>Table of Contents<a class="headerlink" href="#table-of-contents" title="Perm
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
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index e42d68d..a4946be 100644
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+++ b/docs/jyutping.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Jyutping Romanization &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Jyutping Romanization &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
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@@ -173,69 +173,73 @@
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id3">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id5">Fixed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Fixed</a></li>
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-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -480,7 +484,7 @@ <h2>Jyutping-to-TIPA Conversion<a class="headerlink" href="#jyutping-to-tipa-con
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/objects.inv b/docs/objects.inv
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Binary files a/docs/objects.inv and b/docs/objects.inv differ
diff --git a/docs/pos_tagging.html b/docs/pos_tagging.html
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--- a/docs/pos_tagging.html
+++ b/docs/pos_tagging.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Part-of-Speech Tagging &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Part-of-Speech Tagging &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
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-                3.2.2
+                3.2.3
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@@ -173,69 +173,73 @@
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 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
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 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id5">Fixed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Fixed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
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 <li class="toctree-l1"><a class="reference internal" href="archives.html">Archives</a><ul>
@@ -375,7 +379,7 @@
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
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diff --git a/docs/quickstart.html b/docs/quickstart.html
index 5fa3a39..55809a4 100644
--- a/docs/quickstart.html
+++ b/docs/quickstart.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Quickstart &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Quickstart &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id5">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id18">Changed</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -386,7 +390,7 @@
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     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
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diff --git a/docs/reader.html b/docs/reader.html
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@@ -7,7 +7,7 @@
   
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-  <title>Corpus Reader Methods &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Corpus Reader Methods &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
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+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
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@@ -600,7 +604,7 @@ <h2>Word Frequencies and Ngrams<a class="headerlink" href="#word-frequencies-and
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/search.html b/docs/search.html
index e288706..7278603 100644
--- a/docs/search.html
+++ b/docs/search.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Search &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Search &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id3">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id5">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Fixed</a></li>
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-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id18">Changed</a><ul>
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-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Fixed</a></li>
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-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
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 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="archives.html">Archives</a><ul>
@@ -330,7 +334,7 @@
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/searches.html b/docs/searches.html
index 261453a..f956005 100644
--- a/docs/searches.html
+++ b/docs/searches.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Corpus Search Queries &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Corpus Search Queries &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
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@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="archives.html">Archives</a><ul>
@@ -593,7 +597,7 @@
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/searchindex.js b/docs/searchindex.js
index 42a30e4..f590388 100644
--- a/docs/searchindex.js
+++ b/docs/searchindex.js
@@ -1 +1 @@
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Segmentation"],titleterms:{"0dev":2,"2014":2,"2015":2,"2016":2,"2018":2,"2020":2,"2021":2,"break":2,Added:2,acknowledg:17,annot:21,api:[0,2],archiv:1,built:3,cantones:17,chang:2,changelog:2,charact:[18,21,22],characters_to_jyutp:6,chat:3,chatread:[0,4,5],child:3,chines:[21,22],cite:17,consult:17,content:17,convers:18,corpu:[0,3,21,22],criteria:22,custom:[3,24],data:[0,3],deprec:2,download:17,element:22,exampl:[],fix:2,format:[3,22],frequenc:21,header:21,hkcancor:7,hkcancor_to_ud:12,how:17,instal:17,jyutp:[0,18,21,22],jyutping_to_tipa:8,jyutping_to_yal:9,languag:0,licens:17,linguist:17,link:17,logo:17,method:21,multipl:22,natur:0,ngram:21,nlp:17,non:2,output:[1,22],pars:18,parse_jyutp:10,part:[19,22],pos_tag:[11,12],process:0,pycantones:[4,5,6,7,8,9,10,11,12,13,14,15,16,17],python:17,queri:22,quick:[],quickstart:20,rang:22,read_chat:13,reader:21,refer:0,remov:2,research:1,result:22,roman:[0,18,21],search:[5,22],secur:2,segment:[14,16,24],speech:[19,22],stop:23,stop_word:15,string:18,support:17,tabl:17,tag:[19,22],talkbank:3,tipa:18,token:0,transcript:21,tutori:1,unreleas:2,utter:22,word:[21,22,23,24],word_segment:16,yale:18}})
\ No newline at end of file
diff --git a/docs/source/changelog.rst b/docs/source/changelog.rst
index c3d7713..374af5d 100644
--- a/docs/source/changelog.rst
+++ b/docs/source/changelog.rst
@@ -24,6 +24,15 @@ Fixed
 Security
 ^^^^^^^^
 
+[3.2.3] - 2021-04-12
+--------------------
+
+Fixed
+^^^^^
+
+
+* Fixed character issues in the built-in HKCanCor data: 𥄫
+
 [3.2.2] - 2021-03-23
 --------------------
 
diff --git a/docs/stop_words.html b/docs/stop_words.html
index 45d468a..60c1ef7 100644
--- a/docs/stop_words.html
+++ b/docs/stop_words.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Stop Words &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Stop Words &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="archives.html">Archives</a><ul>
@@ -365,7 +369,7 @@
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>
diff --git a/docs/word_segmentation.html b/docs/word_segmentation.html
index 384b404..eda87d7 100644
--- a/docs/word_segmentation.html
+++ b/docs/word_segmentation.html
@@ -7,7 +7,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Word Segmentation &mdash; PyCantonese 3.2.2 documentation</title>
+  <title>Word Segmentation &mdash; PyCantonese 3.2.3 documentation</title>
   
 
   
@@ -66,7 +66,7 @@
             
             
               <div class="version">
-                3.2.2
+                3.2.3
               </div>
             
           
@@ -173,69 +173,73 @@
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#security">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.2] - 2021-03-23</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id2">[3.2.3] - 2021-04-12</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id3">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id4">[3.2.2] - 2021-03-23</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id5">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.0] - 2021-03-20</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id8">Changed</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id6">[3.2.1] - 2021-03-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id7">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id11">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id8">[3.2.0] - 2021-03-20</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id9">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id10">Changed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id11">Deprecated</a></li>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id12">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.0] - 2021-02-21</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id15">Fixed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id13">[3.1.1] - 2021-03-18</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id14">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id16">[3.0.0] - 2020-10-25</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id18">Changed</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
-<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id15">[3.1.0] - 2021-02-21</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id16">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id17">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Deprecated</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id18">[3.0.0] - 2020-10-25</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id19">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id20">Changed</a><ul>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#api-breaking-changes">API-breaking Changes</a></li>
+<li class="toctree-l4"><a class="reference internal" href="changelog.html#non-api-breaking-changes">Non-API-breaking Changes</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id21">[2.4.1] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Fixed</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id21">Deprecated</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id22">Security</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.0] - 2020-10-10</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id23">[2.4.1] - 2020-10-10</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id24">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id25">[2.4.0] - 2020-10-10</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id26">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id27">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id28">[2.2.0] - 2018-06-30</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Added</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id27">[2.3.0] - 2020-07-24</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id28">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id29">Removed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id30">[2.2.0] - 2018-06-30</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="changelog.html#id31">Added</a></li>
-<li class="toctree-l3"><a class="reference internal" href="changelog.html#id32">Fixed</a></li>
 </ul>
 </li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id33">[2.0.0] - 2016-02-06</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id39">[1.0] - 2015-09-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id32">[2.1.0] - 2018-06-11</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id33">Added</a></li>
+<li class="toctree-l3"><a class="reference internal" href="changelog.html#id34">Fixed</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id35">[2.0.0] - 2016-02-06</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[1.0] - 2015-09-06</a></li>
 <li class="toctree-l2"><a class="reference internal" href="changelog.html#dev-2015-09-02">[1.0dev] - 2015-09-02</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id40">[0.2.1] - 2015-01-25</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id41">[0.2] - 2015-01-22</a></li>
-<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.1] - 2014-12-17</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id42">[0.2.1] - 2015-01-25</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id43">[0.2] - 2015-01-22</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changelog.html#id44">[0.1] - 2014-12-17</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="archives.html">Archives</a><ul>
@@ -402,7 +406,7 @@ <h2>Customizing Segmentation<a class="headerlink" href="#customizing-segmentatio
   <div role="contentinfo">
     <p>
         
-        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 10, 2021
+        &copy; Copyright 2014-2021, Jackson L. Lee | Documentation last updated on April 12, 2021
 
     </p>
   </div>