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