7 letter words:
unfence12,
enounce9,
6 letter words:
fennec11,
5 letter words:
fence10,
nonce7,
ounce7,
4 letter words:
enuf7,
cone6,
conn6,
once6,
unco6,
nene4,
neon4,
none4,
noun4,
3 letter words:
fee6,
fen6,
feu6,
foe6,
fon6,
fou6,
fun6,
cee5,
con5,
cue5,
ecu5,
eon3,
nee3,
nun3,
one3,
2 letter words:
ef5,
fe5,
of5,
en2,
ne2,
no2,
nu2,
oe2,
on2,
un2,