5 letter words:
pupas9,
about7,
abuts7,
boast7,
boats7,
botas7,
bouts7,
pouts7,
sabot7,
spout7,
sputa7,
stoup7,
stupa7,
tabus7,
tsuba7,
tubas7,
autos5,
4 letter words:
apps8,
baps8,
bops8,
paps8,
pops8,
pubs8,
pupa8,
pups8,
abos6,
abut6,
apos6,
atop6,
bast6,
bats6,
boas6,
boat6,
bota6,
bots6,
bout6,
bust6,
buts6,
obas6,
opts6,
opus6,
past6,
pats6,
post6,
pots6,
pout6,
puts6,
soap6,
soba6,
soup6,
spat6,
spot6,
stab6,
stob6,
stop6,
stub6,
suba6,
tabs6,
tabu6,
taps6,
tops6,
tuba6,
tubs6,
tups6,
upas6,
auto4,
oast4,
oats4,
oust4,
outs4,
stoa4,
taos4,
taus4,
utas4,
3 letter words:
app7,
bap7,
bop7,
pap7,
pop7,
pub7,
pup7,
abo5,
abs5,
apo5,
apt5,
asp5,
bas5,
bat5,
boa5,
bos5,
bot5,
bus5,
but5,
oba5,
ops5,
opt5,
pas5,
pat5,
pot5,
pst5,
pus5,
put5,
sab5,
sap5,
sob5,
sop5,
spa5,
sub5,
sup5,
tab5,
tap5,
top5,
tub5,
tup5,
upo5,
ups5,
oat3,
out3,
sat3,
sau3,
sot3,
sou3,
tao3,
tas3,
tau3,
uta3,
uts3,
2 letter words:
ab4,
ba4,
bo4,
op4,
pa4,
up4,
as2,
at2,
os2,
so2,
ta2,
to2,
us2,
ut2,