5 letter words:
tenet5,
tutee5,
4 letter words:
enuf7,
feet7,
fete7,
tuft7,
nene4,
nett4,
teen4,
tent4,
tune4,
3 letter words:
eft6,
fee6,
fen6,
fet6,
feu6,
fun6,
nee3,
net3,
nun3,
nut3,
tee3,
ten3,
tet3,
tun3,
tut3,
ute3,
2 letter words:
ef5,
fe5,
en2,
et2,
ne2,
nu2,
un2,
ut2,