Try
xx aaaaaaaa aaaaaaaa aaaaaaaaaa aaaaaaaaaa aaaaaaaaa aaaaa
\begin{center}
.so fruit
\end{center}
\begin{center}
.so reflect
\end{center}
\begin{center}
.so three
\end{center}
\begin{center}
.so reflexam
\end{center}
xxxxxxxx bbbbbb nnnnnnnnn
End
yy