\documentclass[a4paper,12pt]{article}
\usepackage{epic, eepic}

\usepackage{amsmath, amssymb, hymcbk, xspace}
\usepackage{euscript,  array}
\usepackage[T1]{fontenc}
%\usepackage{tipa1}
%\usepackage{calc, wasysym, textcomp, ulsy}

\begin{document}
\pagestyle{empty}

% alterne-interne  
  

\setlength{\unitlength}{1mm}  
\linethickness{0.2mm}  

\begin{picture}(120,60)  
\put(0,20){\line(1,0){120}}  
\put(0,40){\line(1,0){120}}  
\put(20,0){\line(1,1){60}}  
\drawline(20,0)(80,60)  
\put(30,10){\circle*{0.8}}\put(40,20){\circle*{0.8}}\put(60,40){\circle*{0.8}}\put(70,50){\circle*{0.8}}  
\put(30,20){\circle*{0.8}}\put(50,20){\circle*{0.8}}\put(50,40){\circle*{0.8}}\put(70,40){\circle*{0.8}}  
\put(30,10){\makebox(4,0)[t]{$B$}}  
\put(40,20){\makebox(4,-0.7)[t]{$A$}}  
\put(30,20){\makebox(4,-0.7)[t]{$C$}}  
\put(50,20){\makebox(4,-0.7)[t]{$D$}}  
\put(70,50){\makebox(4,0)[t]{$G$}}  
\put(60,40){\makebox(4,-0.7)[t]{$E$}}  
\put(50,40){\makebox(4,-0.7)[t]{$F$}}  
\put(70,40){\makebox(4,-0.7)[t]{$H$}}  
\end{picture}  
  

\end{document}

%%% Local Variables: 
%%% mode: latex
%%% TeX-master: t
%%% End: 
