6 letter words:
unfine9,
untune6,
5 letter words:
feint8,
fient8,
unfit8,
ennui5,
tenne5,
tenue5,
unite5,
untie5,
untin5,
4 letter words:
enuf7,
feen7,
feet7,
feni7,
fent7,
fete7,
fine7,
neif7,
nief7,
nife7,
eine4,
eten4,
etui4,
nene4,
nete4,
nine4,
nite4,
teen4,
tene4,
tine4,
tune4,
unit4,
3 letter words:
eft6,
fee6,
fen6,
fet6,
feu6,
fie6,
fin6,
fit6,
fun6,
nef6,
tef6,
een3,
ene3,
inn3,
nee3,
net3,
nie3,
nit3,
nun3,
nut3,
tee3,
ten3,
tie3,
tin3,
tui3,
tun3,
uni3,
ute3,
utu3,
2 letter words:
ef5,
fe5,
if5,
ee2,
en2,
et2,
in2,
it2,
ne2,
nu2,
te2,
ti2,
un2,
ut2,