\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{ˇ}{\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{ˇ}{\overset{ˇ}{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}
