5 letter words:
choko14,
chook14,
4 letter words:
zouk17,
hock13,
huck13,
ouzo13,
hook11,
cook10,
chou9,
coho9,
ouch9,
3 letter words:
zho15,
coz14,
cuz14,
zoo12,
hoc8,
och8,
ouk7,
hoo6,
oho6,
ooh6,
coo5,
2 letter words:
zo11,
ch7,
ko6,
ho5,
oh5,
uh5,
oo2,
ou2,