8 letter words:
preerect12,
7 letter words:
creeper11,
erecter9,
reerect9,
6 letter words:
pecker14,
keeper12,
reperk12,
recept10,
reeker10,
perter8,
retree6,
5 letter words:
pecke13,
creek11,
kreep11,
treck11,
creep9,
crepe9,
crept9,
peece9,
perce9,
terek9,
erect7,
peter7,
petre7,
tepee7,
terce7,
4 letter words:
zerk17,
prez15,
trez13,
peck12,
keep10,
kept10,
peek10,
peke10,
perk10,
reck10,
cepe8,
keet8,
kete8,
reek8,
reke8,
teek8,
trek8,
cere6,
cert6,
cete6,
cree6,
epee6,
peer6,
pere6,
pert6,
pree6,
rete4,
teer4,
tree4,
3 letter words:
zek16,
zep14,
rez12,
zee12,
kep9,
cep7,
eek7,
eke7,
erk7,
ket7,
pec7,
cee5,
pee5,
per5,
pet5,
pre5,
rec5,
rep5,
tec5,
ere3,
err3,
ree3,
ret3,
tee3,
2 letter words:
pe4,
ee2,
er2,
et2,
re2,
te2,