5 letter words:
acock13,
4 letter words:
cock12,
cake10,
coke10,
ceca8,
coca8,
ecco8,
kaie8,
ciao6,
3 letter words:
ick9,
ake7,
eik7,
kae7,
kai7,
kea7,
koa7,
koi7,
oak7,
oik7,
oka7,
oke7,
ace5,
eco5,
ice5,
oca5,
2 letter words:
ka6,
ki6,
ko6,
ae2,
ai2,
ea2,
io2,
oe2,
oi2,