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