5 letter words:
acock13,
cocks13,
casco9,
cocas9,
4 letter words:
cock12,
cask10,
sack10,
sock10,
coca8,
koas8,
oaks8,
okas8,
soak8,
ocas6,
soca6,
3 letter words:
ask7,
kas7,
koa7,
kos7,
oak7,
oka7,
ska7,
cos5,
oca5,
sac5,
soc5,
2 letter words:
ka6,
ko6,
as2,
os2,
so2,