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