5as2p
4as2
3as2pk
2as2p
1as2
gkr2
fkr2pk
ekr2p
dkr2
ckr2pk
rtq2pk
qtq2p
ptq2
otq2pk
ntq2p
22p2p
12p2
02p2pk
z2p2p
y2p2
dcp2
ccp2pk
bcp2p
acp2
9bp2pk