5 letter words:
kreep11,
greek10,
repeg8,
peter7,
egret6,
greet6,
4 letter words:
keep10,
kept10,
peek10,
peke10,
perk10,
geek9,
keet8,
peep8,
perp8,
prep8,
reek8,
repp8,
trek8,
peer6,
pere6,
pert6,
pree6,
eger5,
gree5,
rete4,
tree4,
3 letter words:
kep9,
keg8,
eek7,
eke7,
pep7,
peg6,
pee5,
per5,
pet5,
rep5,
erg4,
gee4,
get4,
reg4,
teg4,
ere3,
ree3,
ret3,
tee3,
2 letter words:
pe4,
er2,
et2,
re2,