5 letter words:
coops9,
copes9,
copse9,
scoop9,
scope9,
4 letter words:
ceps8,
coop8,
cope8,
cops8,
pecs8,
poco8,
scop8,
spec8,
coos6,
epos6,
oops6,
opes6,
peso6,
poos6,
pose6,
3 letter words:
cep7,
cop7,
pec7,
coo5,
cos5,
ope5,
ops5,
pes5,
poo5,
sec5,
sop5,
oes3,
ose3,
2 letter words:
op4,
pe4,
es2,
oe2,
os2,
so2,