\documentclass[a4paper,10pt]{article}
\usepackage[latin10]{inputenc}
\usepackage[T1]{fontenc}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Author: Thomas Braun
% begin: Sat Nov 12 2005
% last edit: Fri april 7 2006
% License: GPLv2 or later
% 
% covers latin1, latin2 and latin4
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\include{definitions}

\begin{document}
%
\command{\"{A}}
\command{\H{A}}
\command{\'{A}}
\command{\`{A}}
\command{\~{A}}
\command{\^{A}}
\command{\v{A}}
\command{\u{A}}
\command{\={A}}
\command{\AA{}}
\pkgs[T1]{fontenc} \command{\k{A}} 
\command{\AE{}}
\command{\"{a}}
\command{\H{a}}
\command{\'{a}}
\command{\`{a}}
\command{\~{a}}
\command{\^{a}}
\command{\v{a}}
\command{\u{a}}
\command{\={a}}
\command{\aa{}}
\pkgs[T1]{fontenc} \command{\k{a}}
\command{\ae{}} \par
\command{\'{C}}
\command{\u{C}}
\command{\c{C}}
\command{\'{c}}
\command{\u{c}}
\command{\c{c}} \par
\command{\v{D}}
\pkgs[T1]{fontenc} \command{\DJ{}}
\pkgs[T1]{fontenc} \command{\DH{}}
\command{\v{d}}
\pkgs[T1]{fontenc} \command{\dj{}}
\pkgs[T1]{fontenc} \command{\dh{}} \par
\command{\"{E}}
\command{\H{E}}
\command{\.{E}}
\command{\'{E}}
\command{\`{E}}
\command{\^{E}}
\command{\v{E}}
\command{\u{E}}
\command{\={E}}
\pkgs[T1]{fontenc} \command{\k{E}}
\command{\"{e}}
\command{\H{e}}
\command{\.{e}}
\command{\'{e}}
\command{\`{e}}
\command{\^{e}}
\command{\v{e}}
\command{\u{e}}
\command{\={e}}
\pkgs[T1]{fontenc} \command{\k{e}} \par
\command{\c{G}}
\command{\'{G}}
\command{\c{g}}
\command{\'{g}} \par
\command{\"{I}}
\command{\H{I}}
\command{\'{I}}
\command{\`{I}}
\command{\~{I}}
\command{\^{I}}
\command{\={I}}
\pkgs[T1]{fontenc} \command{\k{I}}
\command{\"{\i}}
\command{\H{\i}}
\command{\'{\i}}
\command{\`{\i}}
\command{\~{\i}}
\command{\^{\i}}
\command{\={\i}}
\pkgs[T1]{fontenc} \command{\k{\i}} \par
\command{\c{K}}
\command{\c{k}} \par
\command{\c{L}}
\command{\'{L}}
\command{\u{L}}
\command{\v{L}}
\command{\L{}}
\command{\c{l}}
\command{\'{l}}
\command{\u{l}}
\command{\v{l}}
\command{\l{}} \par
\command{\c{N}}
\command{\'{N}}
\command{\~{N}}
\command{\v{N}}
\command{\u{N}}
\pkgs[T1]{fontenc} \command{\NG{}}
\command{\c{n}}
\command{\'{n}}
\command{\~{n}}
\command{\v{n}}
\command{\u{n}}
\pkgs[T1]{fontenc} \command{\ng{}} \par
\command{\"{O}}
\command{\H{O}}
\command{\'{O}}
\command{\`{O}}
\command{\~{O}}
\command{\^{O}}
\command{\v{O}}
\command{\u{O}}
\command{\={O}}
\command{\O{}}
\command{\OE{}}
\pkgs[T1]{fontenc} \command{\k{O}}
\command{\"{o}}
\command{\H{o}}
\command{\'{o}}
\command{\`{o}}
\command{\~{o}}
\command{\^{o}}
\command{\v{o}}
\command{\u{o}}
\command{\={o}}
\command{\o{}}
\command{\oe{}}
\pkgs[T1]{fontenc} \command{\k{o}} \par
\pkgs[T1]{fontenc} \command{\TH{}}
\pkgs[T1]{fontenc} \command{\th{}} \par
\command{\c{R}}
\command{\'{R}}
\command{\v{R}}
\command{\c{r}}
\command{\'{r}}
\command{\v{r}} \par
\command{\c{S}}
\pkgs[latin10]{inputenc} \command{\textcommabelow{S}}
\command{\'{S}}
\command{\v{S}}
\command{\c{s}}
\pkgs[latin10]{inputenc} \command{\textcommabelow{s}}
\command{\'{s}}
\command{\v{s}}
\command{\ss{}}
\command{\SS{}} \par
\command{\c{T}}
\pkgs[latin10]{inputenc} \command{\textcommabelow{T}}
\command{\v{T}}
\command{\mbox{T\hspace{-.5em}-}} % hint from samin.dtx (babel package)
\command{\c{t}}
\pkgs[latin10]{inputenc} \command{\textcommabelow{t}}
\command{\v{t}}
\command{\mbox{t\hspace{-.35em}-}} \par
\command{\"{U}}
\command{\H{U}}
\command{\'{U}}
\command{\`{U}}
\command{\~{U}}
\command{\^{U}}
\command{\={U}}
\command{\r{U}}
\pkgs[T1]{fontenc} \command{\k{U}} 
\command{\"{u}}
\command{\H{u}}
\command{\'{u}}
\command{\`{u}}
\command{\~{u}}
\command{\^{u}}
\command{\={u}}
\command{\r{u}}
\pkgs[T1]{fontenc} \command{\k{u}} \par
\command{\"{Y}}
\command{\'{Y}}
\command{\"{y}}
\command{\'{y}} \par
\command{\.{Z}}
\command{\'{Z}}
\command{\v{Z}}
\command{\.{z}}
\command{\'{z}}
\command{\v{z}} \par
\end{document}