7 letter words:
chachka21,
kachcha21,
6 letter words:
kaccha17,
5 letter words:
khoja19,
chack16,
chock16,
kacha14,
acock13,
chaco12,
coach12,
cacao9,
4 letter words:
zack19,
jack17,
jock17,
hack13,
hock13,
cock12,
choc11,
coch11,
haka11,
hoka11,
koha11,
haha10,
hoha10,
chao9,
acca8,
caca8,
coca8,
3 letter words:
zho15,
caz14,
coz14,
jak14,
haj13,
azo12,
zoa12,
hah9,
hoh9,
ach8,
cha8,
hoc8,
och8,
aka7,
koa7,
oak7,
oka7,
aah6,
aha6,
hao6,
hoa6,
caa5,
oca5,
2 letter words:
za11,
zo11,
ja9,
jo9,
ch7,
ka6,
ko6,
ah5,
ha5,
ho5,
oh5,
aa2,