%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 8-4-12 on page 495.
%%
%% Copyright (C) 2004 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% 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{135.0pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{amsxtra}
\StopShownPreambleCommands
\begin{document}
$(xyz)\spdddot$ \quad $(xyz)\spddot$ \quad $(xyz)\spdot$ \\
$(xyz)\spbreve$ \quad $(xyz)\spcheck$ \\
$(xyz)\sphat$   \quad $(xyz)\sptilde$
\end{document}