9 letter words:
excerpter20,
8 letter words:
expecter19,
excreter17,
preerect12,
7 letter words:
excerpt18,
excrete16,
creeper11,
erecter9,
reerect9,
6 letter words:
except17,
expect17,
expert15,
recept10,
perter8,
retree6,
5 letter words:
exert12,
creep9,
crepe9,
crept9,
peece9,
perce9,
erect7,
peter7,
petre7,
tepee7,
terce7,
4 letter words:
exec13,
prex13,
cepe8,
cere6,
cert6,
cete6,
cree6,
epee6,
peer6,
pere6,
pert6,
pree6,
rete4,
teer4,
tree4,
3 letter words:
rex10,
tex10,
cep7,
pec7,
cee5,
pee5,
per5,
pet5,
pre5,
rec5,
rep5,
tec5,
ere3,
err3,
ree3,
ret3,
tee3,
2 letter words:
ex9,
pe4,
ee2,
er2,
et2,
re2,
te2,
