$\begin{array}{l}\text{default: (accent=true)}\\ \underset{\text{'}}{\overset{\text{'}}{x}}\underset{^}{\overset{^}{x}}\underset{\_}{\overset{\_}{x}}\underset{`}{\overset{`}{x}}\underset{~}{\overset{~}{x}}\underset{¨}{\overset{¨}{x}}\overline{\underset{¯}{x}}\underset{´}{\overset{´}{x}}\underset{¸}{\overset{¸}{x}}\underset{ˆ}{\overset{ˆ}{x}}\underset{ˇ}{\overset{ˇ}{x}}\underset{˘}{\overset{˘}{x}}\underset{\dot{}}{\overset{\dot{}}{x}}\underset{˚}{\overset{˚}{x}}\underset{˜}{\overset{˜}{x}}\underset{˝}{\overset{˝}{x}}\underset{̂}{\overset{̂}{x}}\underset{̑}{\overset{̑}{x}}\underset{‾}{\overset{‾}{x}}\underset{⃛}{\overset{⃛}{x}}\underset{⃜}{\overset{⃜}{x}}\overleftarrow{\underleftarrow{x}}\overrightarrow{\underrightarrow{x}}\overleftrightarrow{\underleftrightarrow{x}}\underset{\leftharpoonup }{\overset{\leftharpoonup }{x}}\underset{\leftharpoondown }{\overset{\leftharpoondown }{x}}\underset{\rightharpoonup }{\overset{\rightharpoonup }{x}}\underset{\rightharpoondown }{\overset{\rightharpoondown }{x}}\overbracket{\underset{⎴}{x}}\underbracket{\stackrel{⎵}{x}}\underset{⏜}{\overset{⏜}{x}}\underset{⏝}{\overset{⏝}{x}}\overbrace{\underset{⏞}{x}}\underbrace{\stackrel{⏟}{x}}\underset{⥎}{\overset{⥎}{x}}\underset{⥐}{\overset{⥐}{x}}\\ \text{accent=false:}\\ \underset{\text{'}}{\overset{\text{'}}{x}}\underset{^}{\overset{^}{x}}\underset{\_}{\overset{\_}{x}}\underset{`}{\overset{`}{x}}\underset{~}{\overset{~}{x}}\underset{¨}{\overset{¨}{x}}\overline{\underset{¯}{x}}\underset{´}{\overset{´}{x}}\underset{¸}{\overset{¸}{x}}\underset{ˆ}{\overset{ˆ}{x}}\underset{ˇ}{\overset{ˇ}{x}}\underset{˘}{\overset{˘}{x}}\underset{\dot{}}{\overset{\dot{}}{x}}\underset{˚}{\overset{˚}{x}}\underset{˜}{\overset{˜}{x}}\underset{˝}{\overset{˝}{x}}\underset{̂}{\overset{̂}{x}}\underset{̑}{\overset{̑}{x}}\underset{‾}{\overset{‾}{x}}\underset{⃛}{\overset{⃛}{x}}\underset{⃜}{\overset{⃜}{x}}\overleftarrow{\underleftarrow{x}}\overrightarrow{\underrightarrow{x}}\overleftrightarrow{\underleftrightarrow{x}}\underset{\leftharpoonup }{\overset{\leftharpoonup }{x}}\underset{\leftharpoondown }{\overset{\leftharpoondown }{x}}\underset{\rightharpoonup }{\overset{\rightharpoonup }{x}}\underset{\rightharpoondown }{\overset{\rightharpoondown }{x}}\overbracket{\underset{⎴}{x}}\underbracket{\stackrel{⎵}{x}}\underset{⏜}{\overset{⏜}{x}}\underset{⏝}{\overset{⏝}{x}}\overbrace{\underset{⏞}{x}}\underbrace{\stackrel{⏟}{x}}\underset{⥎}{\overset{⥎}{x}}\underset{⥐}{\overset{⥐}{x}}\end{array}$