aa2n
ba2n2
ca2n2t
da2n
ea2n2
z02n2
002n2t
102n
202n2
302n2t
or3n2t
pr3n
qr3n2
rr3n2t
sr3n
di4n
ei4n2
fi4n2t
gi4n
hi4n2
284n2
384n2t
484n
584n2
684n2t