5 letter words:
chock16,
aback13,
acock13,
coach12,
bacca11,
cacao9,
4 letter words:
hack13,
hock13,
back12,
bock12,
cock12,
bach11,
chao9,
caca8,
coca8,
3 letter words:
kab9,
kob9,
bah8,
hob8,
cab7,
cob7,
koa7,
oak7,
oka7,
aah6,
aha6,
hao6,
aba5,
abo5,
baa5,
boa5,
oba5,
oca5,
2 letter words:
ka6,
ah5,
ha5,
ho5,
oh5,
ab4,
ba4,
bo4,
aa2,