Here is the code to build a chart in LaTex. Just change the size or entries accordingly.
\(\displaystyle \begin{array}{|c|c|c|c|}\hline {\alpha}&{\beta}&{\gamma}&{\delta}\\ \hline {\epsilon}&{\iota}&{\kappa}&{\lambda}\\ \hline{\mu}&{\nu}&{\xi}&o \\ \hline {\pi}&{\rho}&{\sigma}&{\tau}\\ \hline \end{array}\)
\(\displaystyle \begin{array}{|c|c|c|c|}\hline {\alpha}&{\beta}&{\gamma}&{\delta}\\ \hline {\epsilon}&{\iota}&{\kappa}&{\lambda}\\ \hline{\mu}&{\nu}&{\xi}&o \\ \hline {\pi}&{\rho}&{\sigma}&{\tau}\\ \hline \end{array}\)