5 letter words:
tufas8,
tufts8,
abuts7,
batts7,
battu7,
butts7,
putts7,
sputa7,
stupa7,
tabus7,
tsuba7,
tubas7,
sutta5,
tauts5,
4 letter words:
fabs9,
fubs9,
baps8,
pubs8,
fast7,
fats7,
tufa7,
tuft7,
abut6,
bast6,
bats6,
batt6,
bust6,
buts6,
butt6,
past6,
pats6,
puts6,
putt6,
spat6,
stab6,
stub6,
suba6,
tabs6,
tabu6,
taps6,
tuba6,
tubs6,
tups6,
upas6,
stat4,
tats4,
taus4,
taut4,
tuts4,
utas4,
3 letter words:
fab8,
fub8,
bap7,
pub7,
aft6,
fas6,
fat6,
abs5,
apt5,
asp5,
bas5,
bat5,
bus5,
but5,
pas5,
pat5,
pst5,
pus5,
put5,
sab5,
sap5,
spa5,
sub5,
sup5,
tab5,
tap5,
tub5,
tup5,
ups5,
att3,
sat3,
sau3,
tas3,
tat3,
tau3,
tut3,
uta3,
uts3,
2 letter words:
fa5,
ab4,
ba4,
pa4,
up4,
as2,
at2,
ta2,
us2,
ut2,