6 letter words:
butene8,
puttee8,
5 letter words:
butte7,
tenet5,
tutee5,
4 letter words:
beef9,
feeb9,
beep8,
enuf7,
feet7,
fete7,
tuft7,
been6,
beet6,
bene6,
bent6,
bunt6,
bute6,
butt6,
neep6,
peen6,
pent6,
punt6,
putt6,
tube6,
unbe6,
nett4,
teen4,
tent4,
tune4,
3 letter words:
fub8,
pub7,
eft6,
fee6,
fen6,
fet6,
feu6,
fun6,
bee5,
ben5,
bet5,
bun5,
but5,
neb5,
nub5,
pee5,
pen5,
pet5,
pun5,
put5,
tub5,
tup5,
nee3,
net3,
nut3,
tee3,
ten3,
tet3,
tun3,
tut3,
ute3,
2 letter words:
ef5,
fe5,
be4,
pe4,
up4,
en2,
et2,
ne2,
nu2,
un2,
ut2,