6 letter words:
poppet12,
popple12,
topple10,
4 letter words:
pepo8,
plop8,
pope8,
lept6,
lope6,
pelt6,
plot6,
poet6,
pole6,
tope6,
tole4,
3 letter words:
pep7,
pop7,
lop5,
ope5,
opt5,
pet5,
pol5,
pot5,
top5,
let3,
lot3,
ole3,
tel3,
toe3,
2 letter words:
op4,
pe4,
el2,
et2,
lo2,
oe2,
to2,