2gccg
3gccgo
4gcc
5gccg
6gccgo
r7ccgo
s7cc
t7ccg
u7ccgo
v7cc
gydc
hydcg
iydcgo
jydc
kydcg
5oecg
6oecgo
7oec
8oecg
9oecgo
uffcgo
vffc
wffcg
xffcgo
yffc