5 letter words:
ozone14,
4 letter words:
ooze13,
zein13,
zine13,
zone13,
zoon13,
feni7,
fine7,
fino7,
foen7,
foin7,
fone7,
info7,
neif7,
nief7,
nife7,
onie4,
3 letter words:
fez15,
fiz15,
zin12,
zoo12,
fen6,
fie6,
fin6,
foe6,
fon6,
nef6,
oof6,
eon3,
ion3,
nie3,
noo3,
one3,
ono3,
oon3,
2 letter words:
zo11,
ef5,
fe5,
if5,
of5,
en2,
in2,
io2,
ne2,
no2,
oe2,
oi2,
on2,
oo2,