7 letter words:
postops11,
6 letter words:
postop10,
astoop8,
potass8,
spoots8,
stoops8,
5 letter words:
apoop9,
oppos9,
poops9,
apsos7,
pasts7,
poots7,
posts7,
psoas7,
soaps7,
soops7,
spats7,
spoot7,
spots7,
staps7,
stoop7,
stops7,
topos7,
assot5,
oasts5,
soots5,
stoas5,
tosas5,
4 letter words:
apps8,
oppo8,
paps8,
poop8,
pops8,
apos6,
apso6,
apts6,
asps6,
atop6,
oops6,
opts6,
pass6,
past6,
pats6,
poas6,
poos6,
poot6,
poss6,
post6,
pots6,
psst6,
saps6,
soap6,
soop6,
sops6,
spas6,
spat6,
spot6,
stap6,
stop6,
taps6,
topo6,
tops6,
oast4,
oats4,
oots4,
ossa4,
soot4,
sots4,
stoa4,
taos4,
tass4,
tosa4,
toss4,
3 letter words:
app7,
pap7,
pop7,
apo5,
apt5,
asp5,
oop5,
ops5,
opt5,
pas5,
pat5,
poa5,
poo5,
pos5,
pot5,
pst5,
sap5,
sop5,
spa5,
tap5,
top5,
ass3,
oat3,
oos3,
oot3,
sat3,
sos3,
sot3,
tao3,
tas3,
too3,
2 letter words:
op4,
pa4,
po4,
as2,
at2,
oo2,
os2,
so2,
st2,
ta2,
to2,