5 letter words:
copes9,
copse9,
scope9,
coset7,
cotes7,
escot7,
estop7,
pesto7,
poets7,
stope7,
topes7,
4 letter words:
ceps8,
cope8,
cops8,
pecs8,
scop8,
spec8,
cost6,
cote6,
cots6,
epos6,
opes6,
opts6,
peso6,
pest6,
pets6,
poet6,
pose6,
post6,
pots6,
scot6,
sect6,
sept6,
spot6,
step6,
stop6,
tope6,
tops6,
toes4,
3 letter words:
cep7,
cop7,
pec7,
cos5,
cot5,
ope5,
ops5,
opt5,
pes5,
pet5,
pot5,
pst5,
sec5,
sop5,
top5,
oes3,
ose3,
set3,
sot3,
toe3,
2 letter words:
op4,
pe4,
es2,
et2,
oe2,
os2,
so2,
to2,