\documentclass{article}

\oddsidemargin -0.75in
\evensidemargin 0.5in
\textwidth 7.5in
\headheight -1.0in
\topmargin 0.0in
\textheight 10.0in

\pagestyle{empty}
\begin{document}

\newcommand\lchar[2]{$\begin{array}{c}\mbox{ } \\ \mbox{\geeza #1} \\ \mbox{\kai #2} \\ \mbox{ }\end{array}$}

\font\kai="Kai" at 10 pt 
\font\hira="Hiragino Kaku Gothic Pro" at 20 pt
\font\geeza="Geeza Pro" at 30 pt
\font\smgeeza="Geeza Pro" at 20 pt

\makebox[\columnwidth][r]{\smgeeza فارسی {\huge$\rightarrow$} \hira 日本語}

\mbox{ }

\mbox{ }

\begin{tabular}{|c|c|c|c|c|c|}
\hline
\lchar{ج}{ジム} & \lchar{ث}{セ} & \lchar{ت}{テ} & \lchar{پ}{ペ} & \lchar{ب}{ベ} & \lchar{ا}{アレフ} \\
\hline
\lchar{ر}{レ} & \lchar{ذ}{ザル} & \lchar{د}{ダル} & \lchar{خ}{（ヘ）} & \lchar{ح}{ヘ} & \lchar{چ}{チェ} \\
\hline
\lchar{ض}{ザド} & \lchar{ص}{サド} & \lchar{ش}{シン} & \lchar{س}{スィン} & \lchar{ژ}{シェ} & \lchar{ز}{ゼ} \\
\hline
\lchar{ق}{（ガフ）} & \lchar{ف}{フェ} & \lchar{غ}{（ガイン）} & \lchar{ع}{アイン} & \lchar{ظ}{ザ} & \lchar{ط}{タ} \\
\hline
\lchar{و}{ヴァヴ} & \lchar{ن}{ヌン} & \lchar{م}{ミム} & \lchar{ل}{ラム} & \lchar{گ}{ガフ} & \lchar{ک}{カフ} \\
\hline
& & & & \lchar{ی}{イェ} & \lchar{ه}{ヘ} \\
\hline
\end{tabular}

\end{document}