\begin{array}{l}
\text{default:\ (accent=true)} \\
{\underset{'}{\overset{'}{x}}\underset{\hat{}}{\hat{x}}\underset{\_}{\overset{\_}{x}}\underset{}{\grave{x}}\underset{\sim}{\overset{\sim}{x}}\underset{"}{\overset{"}{x}}\underset{}{\overline{x}}\underset{}{\acute{x}}\underset{,}{\overset{,}{x}}\underset{\hat{}}{\widehat{x}}\underset{}{\check{x}}\underset{}{\breve{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{}{\widetilde{x}}\underset{"}{\overset{"}{x}}\underset{\hat{}}{\widehat{x}}\underset{}{\overset{}{x}}\underset{-}{\bar{x}}\underset{\dddot{}}{\dddot{x}}\underset{\ddddot{}}{\ddddot{x}}\underset{\leftarrow}{\overset{\leftarrow}{x}}\underset{\rightarrow}{\overset{\rightarrow}{x}}\underset{\leftrightarrow}{\overset{\leftrightarrow}{x}}\underset{\leftharpoonup}{\overset{\leftharpoonup}{x}}\underset{\leftharpoondown}{\overset{\leftharpoondown}{x}}\underset{\rightharpoonup}{\overset{\rightharpoonup}{x}}\underset{\rightharpoondown}{\overset{\rightharpoondown}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{\overbrace{}}{\overbrace{x}}\underbrace{\overset{\underbrace{}}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}} \\
\text{accent=false:} \\
{\underset{'}{\overset{'}{x}}\underset{\hat{}}{\overset{\hat{}}{x}}\underset{\_}{\overset{\_}{x}}\underset{}{\overset{}{x}}\underset{\sim}{\overset{\sim}{x}}\underset{"}{\overset{"}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{,}{\overset{,}{x}}\underset{\hat{}}{\overset{\hat{}}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{"}{\overset{"}{x}}\underset{\hat{}}{\widehat{x}}\underset{}{\overset{}{x}}\underset{-}{\overset{-}{x}}\underset{\dddot{}}{\dddot{x}}\underset{\ddddot{}}{\ddddot{x}}\underset{\leftarrow}{\overset{\leftarrow}{x}}\underset{\rightarrow}{\overset{\rightarrow}{x}}\underset{\leftrightarrow}{\overset{\leftrightarrow}{x}}\underset{\leftharpoonup}{\overset{\leftharpoonup}{x}}\underset{\leftharpoondown}{\overset{\leftharpoondown}{x}}\underset{\rightharpoonup}{\overset{\rightharpoonup}{x}}\underset{\rightharpoondown}{\overset{\rightharpoondown}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}\underset{\overbrace{}}{\overset{\overbrace{}}{x}}\underset{\underbrace{}}{\overset{\underbrace{}}{x}}\underset{}{\overset{}{x}}\underset{}{\overset{}{x}}} \\
\end{array}
