5 letter words:
acock13,
gecko12,
cocoa9,
4 letter words:
cock12,
geck11,
cake10,
coke10,
cook10,
gook9,
ceca8,
coca8,
coco8,
cage7,
3 letter words:
keg8,
kae7,
kea7,
koa7,
oak7,
oka7,
oke7,
cog6,
ace5,
coo5,
oca5,
age4,
ago4,
ego4,
gae4,
goa4,
goo4,
2 letter words:
ka6,
ag3,
go3,
ae2,
oe2,