5 letter words:
feens8,
fusee8,
ensue5,
4 letter words:
enuf7,
feen7,
fees7,
fens7,
feus7,
foen7,
foes7,
fone7,
fons7,
fous7,
funs7,
fuse7,
nefs7,
ufos7,
enes4,
eons4,
esne4,
noes4,
nose4,
nous4,
ones4,
onus4,
seen4,
sene4,
snee4,
sone4,
3 letter words:
efs6,
fee6,
fen6,
fes6,
feu6,
foe6,
fon6,
fou6,
fun6,
nef6,
ufo6,
een3,
ene3,
ens3,
eon3,
nee3,
nos3,
nus3,
oes3,
one3,
ons3,
ose3,
ous3,
see3,
sen3,
son3,
sou3,
sue3,
sun3,
uns3,
use3,
2 letter words:
ef5,
fe5,
of5,
ee2,
en2,
es2,
ne2,
no2,
nu2,
oe2,
on2,
os2,
ou2,
so2,
un2,
us2,