5 letter words:
chock16,
chook14,
acock13,
coach12,
cooch12,
hooka12,
achoo10,
cocoa9,
4 letter words:
hack13,
hock13,
cock12,
hook11,
cook10,
chao9,
coho9,
coca8,
coco8,
3 letter words:
koa7,
oak7,
oka7,
hao6,
oho6,
ooh6,
coo5,
oca5,
2 letter words:
ka6,
ah5,
ha5,
ho5,
oh5,