6 letter words:
puttee8,
5 letter words:
butte7,
tutee5,
4 letter words:
beep8,
peep8,
pube8,
beet6,
bete6,
bute6,
butt6,
putt6,
tube6,
tete4,
3 letter words:
pep7,
pub7,
pup7,
bee5,
bet5,
but5,
pee5,
pet5,
put5,
tub5,
tup5,
tee3,
tet3,
tut3,
ute3,
2 letter words:
be4,
pe4,
up4,
ee2,
et2,
te2,
ut2,