5 letter words:
faine8,
4 letter words:
fain7,
fane7,
fano7,
feni7,
fine7,
fino7,
foen7,
foin7,
fone7,
info7,
naif7,
neif7,
nief7,
nife7,
aeon4,
aine4,
eina4,
eoan4,
naoi4,
onie4,
3 letter words:
fae6,
fan6,
fen6,
fie6,
fin6,
foe6,
fon6,
nef6,
oaf6,
ain3,
ane3,
ani3,
ean3,
eon3,
ion3,
nae3,
nie3,
one3,
2 letter words:
ef5,
fa5,
fe5,
if5,
of5,
ae2,
ai2,
an2,
ea2,
en2,
in2,
io2,
na2,
ne2,
no2,
oe2,
oi2,
on2,