6 letter words:
upstep10,
buttes8,
5 letter words:
pubes9,
butes7,
butte7,
butts7,
putts7,
setup7,
stupe7,
tubes7,
upset7,
4 letter words:
peps8,
pubs8,
pups8,
best6,
bets6,
bust6,
bute6,
buts6,
butt6,
pest6,
pets6,
puts6,
putt6,
sept6,
spue6,
step6,
stub6,
supe6,
tube6,
tubs6,
tups6,
sett4,
stet4,
suet4,
test4,
tets4,
tuts4,
utes4,
3 letter words:
pep7,
pub7,
pup7,
bes5,
bet5,
bus5,
but5,
pes5,
pet5,
pst5,
pus5,
put5,
sub5,
sup5,
tub5,
tup5,
ups5,
set3,
sue3,
tet3,
tut3,
use3,
ute3,
uts3,
2 letter words:
be4,
pe4,
up4,
es2,
et2,
us2,
ut2,