7 letter words:
chabouk18,
6 letter words:
chabuk17,
cachou13,
5 letter words:
chock16,
chuck16,
acock13,
bucko13,
coach12,
couch12,
4 letter words:
zouk17,
hack13,
hock13,
huck13,
back12,
bock12,
buck12,
cock12,
bach11,
chub11,
haku11,
chao9,
habu9,
ouch9,
coca8,
3 letter words:
coz14,
azo12,
zoa12,
kab9,
kob9,
bah8,
hob8,
hub8,
auk7,
cab7,
cob7,
cub7,
koa7,
oak7,
oka7,
hao6,
abo5,
boa5,
oba5,
oca5,
2 letter words:
za11,
ka6,
ah5,
ha5,
ho5,
oh5,
uh5,
ab4,
ba4,
bo4,