5 letter words:
chack16,
chock16,
acock13,
chaco12,
coach12,
4 letter words:
hack13,
hock13,
cock12,
choc11,
coch11,
hoka11,
koha11,
chao9,
coca8,
3 letter words:
ach8,
cha8,
hoc8,
och8,
koa7,
oak7,
oka7,
hao6,
hoa6,
oca5,
2 letter words:
ch7,
ka6,
ko6,
ah5,
ha5,
ho5,
oh5,