5 letter words:
cocks13,
cooks11,
socko11,
gooks10,
cocos9,
scoog8,
4 letter words:
cock12,
cook10,
sock10,
gook9,
coco8,
sook8,
cogs7,
scog7,
coos6,
goos5,
3 letter words:
kos7,
cog6,
coo5,
cos5,
soc5,
goo4,
gos4,
sog4,
oos3,
2 letter words:
ko6,
go3,
oo2,
os2,
so2,