5 letter words:
kecks15,
cocks13,
kooks13,
cokes11,
cooks11,
socko11,
cocos9,
cosec9,
secco9,
4 letter words:
keck14,
cock12,
kook12,
coke10,
cook10,
sock10,
coco8,
okes8,
soke8,
sook8,
coos6,
3 letter words:
kos7,
oke7,
coo5,
cos5,
sec5,
oes3,
ose3,
2 letter words:
es2,
oe2,
os2,
so2,