7 letter words:
possets9,
6 letter words:
estops8,
pestos8,
posses8,
posset8,
ptoses8,
stopes8,
tosses6,
5 letter words:
estop7,
pesos7,
pesto7,
pests7,
poets7,
poses7,
posse7,
posts7,
septs7,
spots7,
steps7,
stope7,
stops7,
topes7,
stoss5,
4 letter words:
epos6,
opes6,
opts6,
peso6,
pest6,
pets6,
poet6,
pose6,
post6,
pots6,
psst6,
sept6,
sops6,
spot6,
step6,
stop6,
tope6,
tops6,
oses4,
sets4,
sots4,
toes4,
toss4,
3 letter words:
ope5,
ops5,
opt5,
pes5,
pet5,
pot5,
pst5,
sop5,
top5,
ess3,
oes3,
ose3,
set3,
sos3,
sot3,
toe3,
2 letter words:
op4,
pe4,
es2,
et2,
oe2,
os2,
so2,
to2,
