%%
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%%
%%  Example 8-2-33 on page 538.
%%
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss
%%
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%%
%%  See http://www.latex-project.org/lppl.txt for details.
%%

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{348.0pt}
\StartShownPreambleCommands
\usepackage{array}\usepackage{xymtexps}
\StopShownPreambleCommands
\begin{document}
\setlength{\tabcolsep}{1mm}
\changeunitlength{.05pt}
\begin{tabular}{@{}>{\small}lcccc@{}}\hline
\itshape Length
& \multicolumn{4}{c@{}}{\itshape\small Generic Commands}\\\hline
\rule{0cm}{10mm}2 and 3
& \dimethylene       {1==1}{2==a2}
 & \dimethylenei     {1==1}{2==a2}
  & \trimethylene    {1==1}{2==a2;3==a3}
   & \trimethylenei  {1==1}{2==a2;3==a3} \\
& \footnotesize\verb|\dimethylene|
 & \footnotesize\verb|\dimethylenei|
  & \footnotesize\verb|\trimethylene|
   & \footnotesize\verb|\trimethylenei| \\
\rule{0cm}{8mm}4 and 5
& \tetramethylene    {1==1}{2==a2;3==a3}
 & \tetramethylenei  {1==1}{2==a2;3==a3}
  & \pentamethylene  {1==1}{2==a2;3==a3}
   & \pentamethylenei{1==1}{2==a2;3==a3} \\
& \footnotesize\verb|\tetramethylene|
 & \footnotesize\verb|\tetramethylenei|
  & \footnotesize\verb|\pentamethylene|
   & \footnotesize\verb|\pentamethylenei| \\
\rule{0cm}{8mm}6 and 7
& \hexamethylene     {1==1}{2==a2;3==a3}
 & \hexamethylenei   {1==1}{2==a2;3==a3}
  & \heptamethylene  {1==1}{2==a2;3==a3}
   & \heptamethylenei{1==1}{2==a2;3==a3} \\
& \footnotesize\verb|\hexamethylene|
 & \footnotesize\verb|\hexamethylenei|
  & \footnotesize\verb|\heptamethylene|
   & \footnotesize\verb|\heptamethylenei| \\
\rule{0cm}{8mm}8 and 9
& \octamethylene     {1==1}{2==a2;3==a3}
 & \octamethylenei   {1==1}{2==a2;3==a3}
  & \nonamethylene   {1==1}{2==a2;3==a3}
   & \nonamethylenei {1==1}{2==a2;3==a3} \\
& \footnotesize\verb|\octamethylene|
 & \footnotesize\verb|\octamethylenei|
  & \footnotesize\verb|\nonamethylene|
   & \footnotesize\verb|\nonamethylenei| \\
\rule{0cm}{8mm}10
& \decamethylene     {1==1}{2==a2;3==a3}
 & \decamethylenei   {1==1}{2==a2;3==a3}
  &&\\
& \footnotesize\verb|\decamethylene|
 & \footnotesize\verb|\decamethylenei|
  &&\\\hline
\end{tabular}
\end{document}