\documentclass[12pt]{article}
\usepackage[polish]{babel}
\usepackage[T1]{fontenc}
\usepackage[latin2]{inputenc}
% Thanks to Paul Artyl, who has send me his file.
% note: äöüß are not polish chars
\begin{document}
\thispagestyle{empty}
\def\f{
a ą ä b c ć d e ę f g h i j k l ł m n ń o ó ö p q r s ś ß \\
 t u ü v w x y z ź ż ---
ąćęłńóśźżüöäßĄĆĘŁŃÓŚŹŻüöä\\
A Ą Ä B C Ć D E Ę F G H I J K L Ł M N Ń O Ó Ö P Q R S Ś \\ 
T U Ü V W X Y Z Ź Ż ---
0 1 2 3 4 5 6 7 8 9\\
}

{\rm \f}
{\tt \f}
{\it \f}
{\bf \f}
{\sl \f}
{\sc \f}
{\sf \f}

\end{document}


