Font used to create image is <a rel="nofollow" class="external text" href="http://vietunicode.sourceforge.net/fonts/fonts_hannom.html">Han Nom</a>
<a href="https://ja.wikipedia.org/wiki/%E5%88%A9%E7%94%A8%E8%80%85:%E7%A7%8B%E9%9C%96%E9%A9%9F%E9%9B%A8" class="extiw" title="ja:利用者:秋霖驟雨">秋霖驟雨</a>.
Refering to <a href="//commons.wikimedia.org/wiki/File:Vietnamese_chu_nom_example.png" title="File:Vietnamese chu nom example.png">png file</a>, Author newly created this.