5 letter words:
ozeki18,
cozie16,
4 letter words:
coze15,
zoic15,
feck13,
fike11,
keef11,
kief11,
coke10,
coif9,
fice9,
fico9,
foci9,
3 letter words:
zek16,
fez15,
fiz15,
coz14,
zee12,
kef10,
kif10,
ick9,
eek7,
eik7,
eke7,
koi7,
oik7,
oke7,
fee6,
fie6,
foe6,
cee5,
eco5,
ice5,
2 letter words:
zo11,
ki6,
ko6,
ef5,
fe5,
if5,
of5,
ee2,
io2,
oe2,
oi2,