aecd
becdc
cecdc4
decd
eecdc
z4cdc
04cdc4
14cd
24cdc
34cdc4
ovddc4
pvdd
qvddc
rvddc4
svdd
dmed
emedc
fmedc4
gmed
hmedc
2cfdc
3cfdc4
4cfd
5cfdc
6cfdc4