7n2o
6n2orn
5n2or
4n2o
3n2orn
ix1orn
hx1or
gx1o
fx1orn
ex1or
t60or
s60o
r60orn
q60or
p60o
4f0o
3f0orn
2f0or
1f0o
0f0orn
fpzorn
epzor
dpzo
cpzorn
bpzor