5 letter words:
azoth17,
chock16,
thack14,
acock13,
catch12,
coach12,
coact9,
4 letter words:
hack13,
hock13,
cock12,
khat11,
tack10,
chao9,
chat9,
tach9,
coca8,
oath7,
coat6,
taco6,
3 letter words:
coz14,
azo12,
zoa12,
kat7,
koa7,
oak7,
oka7,
hao6,
hat6,
hot6,
tho6,
act5,
cat5,
cot5,
oca5,
oat3,
tao3,
2 letter words:
za11,
ka6,
ah5,
ha5,
ho5,
oh5,
at2,
ta2,
to2,