7pi2
6pi2uo
5pi2u
4pi2
3pi2uo
izh2uo
hzh2u
gzh2
fzh2uo
ezh2u
t8g2u
s8g2
r8g2uo
q8g2u
p8g2
4hg2
3hg2uo
2hg2u
1hg2
0hg2uo
frf2uo
erf2u
drf2
crf2uo
brf2u