5 letter words:
cheep12,
perch12,
cheer10,
creep9,
crepe9,
4 letter words:
chef12,
pech11,
eche9,
cepe8,
fere7,
free7,
here7,
reef7,
cere6,
peer6,
pere6,
pree6,
3 letter words:
feh9,
hep8,
peh8,
cep7,
pec7,
fee6,
fer6,
her6,
ref6,
cee5,
pee5,
per5,
rec5,
rep5,
ere3,
ree3,
2 letter words:
ef5,
eh5,
fe5,
he5,
pe4,
er2,
re2,