6 letter words:
peeper10,
peerie8,
5 letter words:
peepe9,
piper9,
eerie5,
4 letter words:
peep8,
perp8,
pipe8,
prep8,
repp8,
ripp8,
epee6,
peer6,
pere6,
peri6,
pier6,
pree6,
ripe6,
3 letter words:
pep7,
pip7,
pee5,
per5,
pie5,
pir5,
pre5,
rep5,
rip5,
ere3,
ire3,
ree3,
rei3,
2 letter words:
pe4,
pi4,
ee2,
er2,
re2,