6 letter words:
unfine9,
5 letter words:
ennui5,
4 letter words:
enuf7,
feen7,
feni7,
fine7,
neif7,
nief7,
nife7,
eine4,
nene4,
nine4,
3 letter words:
fee6,
fen6,
feu6,
fie6,
fin6,
fun6,
nef6,
een3,
ene3,
inn3,
nee3,
nie3,
nun3,
uni3,
2 letter words:
ef5,
fe5,
if5,
ee2,
en2,
in2,
ne2,
nu2,
un2,