p2on
q2on2
r2on2c
s2on
t2on2
etpn2
ftpn2c
gtpn
htpn2
itpn2c
3jqn2c
4jqn
5jqn2
6jqn2c
7jqn
sarn
tarn2
uarn2c
varn
warn2
h1rn2
i1rn2c
j1rn
k1rn2
l1rn2c