4 letter words:
wife10,
woof10,
enow7,
enuf7,
feni7,
fine7,
fino7,
foen7,
foin7,
fone7,
info7,
neif7,
nief7,
nife7,
wine7,
wino7,
woon7,
euoi4,
onie4,
3 letter words:
few9,
wof9,
fen6,
feu6,
fie6,
fin6,
foe6,
fon6,
fou6,
fun6,
nef6,
new6,
now6,
oof6,
owe6,
own6,
ufo6,
wen6,
win6,
woe6,
won6,
woo6,
eon3,
ion3,
nie3,
noo3,
one3,
ono3,
oon3,
uni3,
2 letter words:
ef5,
fe5,
if5,
of5,
ow5,
we5,
wo5,
en2,
in2,
io2,
ne2,
no2,
nu2,
oe2,
oi2,
on2,
oo2,
ou2,
un2,