3.11 Accents and under/over

$\hat{a}$, $\check{a}$, $\breve{a}$, $\acute{a}$, $\ddot{a}$,
$\grave{a}$, $\tilde{a}$, $\mathring{a}$, $\bar{a}$, $\overline{aaa}$,
$\underline{aaa}$, $\dot{a}$, $\vec{a}$

$\hat{a}$, $\check{a}$, $\breve{a}$, $\acute{a}$, $\ddot{a}$, $\grave{a}$, $\tilde{a}$, $\mathring {a}$, $\bar{a}$, $\overline{aaa}$, $\underline{aaa}$, $\dot{a}$, $\vec{a}$