6 letter words:
fluent9,
teflon9,
unfelt9,
5 letter words:
felon8,
flout8,
flute8,
fount8,
futon8,
often8,
lento5,
lunet5,
unlet5,
4 letter words:
enuf7,
felt7,
floe7,
flue7,
font7,
foul7,
fuel7,
left7,
loft7,
tofu7,
enol4,
leno4,
lent4,
lone4,
lout4,
lune4,
lunt4,
lute4,
noel4,
note4,
tole4,
tolu4,
tone4,
tule4,
tune4,
unto4,
3 letter words:
eft6,
elf6,
fen6,
fet6,
feu6,
flu6,
foe6,
fon6,
fou6,
fun6,
oft6,
eon3,
let3,
leu3,
lot3,
net3,
not3,
nut3,
ole3,
one3,
out3,
tel3,
ten3,
toe3,
ton3,
tun3,
ute3,
2 letter words:
ef5,
fe5,
of5,
el2,
en2,
et2,
lo2,
ne2,
no2,
nu2,
oe2,
on2,
to2,
un2,
ut2,