7 letter words:
postbus11,
outpass9,
passout9,
6 letter words:
abouts8,
aspout8,
bastos8,
boasts8,
potass8,
sabots8,
spouts8,
stoups8,
stupas8,
tossup8,
tsubas8,
uptoss8,
5 letter words:
bapus9,
poupt9,
pupas9,
about7,
abuts7,
apsos7,
basso7,
basto7,
basts7,
boast7,
boats7,
botas7,
bouts7,
buats7,
busts7,
oupas7,
pasts7,
patus7,
posts7,
pouts7,
psoas7,
sabot7,
soaps7,
sobas7,
soups7,
spats7,
spots7,
spout7,
sputa7,
stabs7,
staps7,
stobs7,
stops7,
stoup7,
stubs7,
stupa7,
subas7,
tabus7,
tapus7,
tsuba7,
tubas7,
assot5,
autos5,
oasts5,
ousts5,
sauts5,
souts5,
stoas5,
tosas5,
4 letter words:
apps8,
baps8,
bapu8,
bops8,
paps8,
pops8,
pubs8,
pupa8,
pups8,
abos6,
abut6,
apos6,
apso6,
apts6,
asps6,
atop6,
bass6,
bast6,
bats6,
boas6,
boat6,
boss6,
bota6,
bots6,
bout6,
buat6,
buss6,
bust6,
buts6,
obas6,
opts6,
opus6,
oupa6,
oups6,
pass6,
past6,
pats6,
patu6,
poas6,
poss6,
post6,
pots6,
pout6,
psst6,
puss6,
puts6,
sabs6,
saps6,
soap6,
soba6,
sobs6,
sops6,
soup6,
spas6,
spat6,
spot6,
stab6,
stap6,
stob6,
stop6,
stub6,
suba6,
subs6,
sups6,
tabs6,
tabu6,
taps6,
tapu6,
tops6,
tuba6,
tubs6,
tups6,
upas6,
upta6,
auto4,
oast4,
oats4,
ossa4,
oust4,
outs4,
saut4,
sots4,
sous4,
sout4,
stoa4,
taos4,
tass4,
taus4,
tosa4,
toss4,
utas4,
3 letter words:
app7,
bap7,
bop7,
pap7,
pop7,
pub7,
pup7,
abo5,
abs5,
apo5,
apt5,
asp5,
bas5,
bat5,
boa5,
bos5,
bot5,
bus5,
but5,
oba5,
obs5,
ops5,
opt5,
oup5,
pas5,
pat5,
poa5,
pos5,
pot5,
pst5,
pus5,
put5,
sab5,
sap5,
sob5,
sop5,
spa5,
sub5,
sup5,
tab5,
tap5,
top5,
tub5,
tup5,
upo5,
ups5,
ass3,
oat3,
ous3,
out3,
sat3,
sau3,
sos3,
sot3,
sou3,
sus3,
tao3,
tas3,
tau3,
uta3,
uts3,
2 letter words:
ab4,
ba4,
bo4,
ob4,
op4,
pa4,
po4,
up4,
as2,
at2,
os2,
ou2,
so2,
st2,
ta2,
to2,
us2,
ut2,