6 letter words:
recept10,
5 letter words:
creep9,
crepe9,
crept9,
erect7,
peter7,
terce7,
4 letter words:
cepe8,
cere6,
cete6,
peer6,
pere6,
pert6,
pree6,
rete4,
tree4,
3 letter words:
cep7,
pec7,
cee5,
pee5,
per5,
pet5,
rec5,
rep5,
ere3,
ree3,
ret3,
tee3,
2 letter words:
pe4,
er2,
et2,
re2,