6 letter words:
peeper10,
5 letter words:
creep9,
creme9,
crepe9,
emcee9,
emeer7,
4 letter words:
jeep13,
jeer11,
cepe8,
merc8,
peep8,
perm8,
perp8,
prep8,
repp8,
cere6,
epee6,
mere6,
peer6,
pere6,
pree6,
3 letter words:
jee10,
cep7,
pec7,
pep7,
cee5,
eme5,
pee5,
per5,
rec5,
rem5,
rep5,
ere3,
ree3,
2 letter words:
em4,
me4,
pe4,
er2,
re2,