\documentstyle[]{article}
\pagestyle{empty}
\textheight 100cm
\evensidemargin 0cm
\oddsidemargin 0cm
\topmargin 0cm
\textwidth 17cm
\begin{document}
\def\beginsymbols{\begin{tabbing}
\hspace{0.8cm}\=\hspace{3.5cm}\= \hspace{0.8cm}\=\hspace{3.5cm}\=
\hspace{0.8cm}\=\hspace{3.5cm}\= \kill }
\def\endsymbols{\end{tabbing}}
\subsection*{Greek Letters}
The following symbols can be used in math mode:
\beginsymbols
$\alpha $\> \verb|\alpha| \>$\iota $\> \verb|\iota| \>
$\varrho $\> \verb|\varrho| \\
$\beta $\> \verb|\beta| \>$\kappa $\> \verb|\kappa| \>
$\sigma $\> \verb|\sigma| \\
$\gamma $\> \verb|\gamma| \>$\lambda $\> \verb|\lambda| \>
$\varsigma $\> \verb|\varsigma| \\
$\delta $\> \verb|\delta| \>$\mu $\> \verb|\mu| \>$\tau $\> \verb|\tau| \\
$\epsilon $\> \verb|\epsilon| \>$\nu $\> \verb|\nu| \>
$\upsilon $\> \verb|\upsilon| \\
$\varepsilon $\> \verb|\varepsilon| \>$\xi $\> \verb|\xi| \>
$\phi $\> \verb|\phi| \\
$\zeta $\> \verb|\zeta| \>$o $\> \verb|o| \>$\varphi $\> \verb|\varphi| \\
$\eta $\> \verb|\eta| \>$\pi $\> \verb|\pi| \>$\chi $\> \verb|\chi| \\
$\theta $\> \verb|\theta| \>$\varpi $\> \verb|\varpi| \>
$\psi $\> \verb|\psi| \\
$\vartheta $\> \verb|\vartheta| \>$\rho $\> \verb|\rho| \>
$\omega $\> \verb|\omega|
\endsymbols
\beginsymbols
$\Gamma $\> \verb|\Gamma| \>$\Xi $\> \verb|\Xi| \>$\Phi $\> \verb|\Phi| \\
$\Delta $\> \verb|\Delta| \>$\Pi $\> \verb|\Pi| \>$\Psi $\> \verb|\Psi| \\
$\Theta $\> \verb|\Theta| \>$\Sigma $\> \verb|\Sigma| \>
$\Omega $\> \verb|\Omega| \\
$\Lambda $\> \verb|\Lambda| \>$\Upsilon $\> \verb|\Upsilon|
\endsymbols
\end{document}
