5 letter words:
estop7,
pesto7,
petto7,
poets7,
stope7,
stopt7,
topes7,
totes5,
4 letter words:
epos6,
opes6,
opts6,
peso6,
pest6,
pets6,
poet6,
pose6,
post6,
pots6,
sept6,
spot6,
step6,
stop6,
tope6,
tops6,
sett4,
stet4,
stot4,
test4,
tets4,
toes4,
tost4,
tote4,
tots4,
3 letter words:
ope5,
ops5,
opt5,
pes5,
pet5,
pot5,
pst5,
sop5,
top5,
oes3,
ose3,
set3,
sot3,
tet3,
toe3,
tot3,
2 letter words:
op4,
pe4,
es2,
et2,
oe2,
os2,
so2,
to2,