5 letter words:
feens8,
fusee8,
ensue5,
4 letter words:
enuf7,
feen7,
fees7,
fens7,
feus7,
funs7,
fuse7,
nefs7,
enes4,
esne4,
seen4,
sene4,
snee4,
3 letter words:
efs6,
fee6,
fen6,
fes6,
feu6,
fun6,
nef6,
een3,
ene3,
ens3,
nee3,
nus3,
see3,
sen3,
sue3,
sun3,
uns3,
use3,
2 letter words:
ef5,
fe5,
ee2,
en2,
es2,
ne2,
nu2,
un2,
us2,