5 letter words:
force10,
coper9,
creep9,
crepe9,
4 letter words:
jefe14,
jeep13,
jeer11,
corf9,
prof9,
cepe8,
cope8,
crop8,
fere7,
fore7,
free7,
froe7,
reef7,
cere6,
cero6,
core6,
peer6,
pere6,
pore6,
pree6,
repo6,
rope6,
3 letter words:
jee10,
joe10,
fop8,
cep7,
cop7,
pec7,
fee6,
fer6,
foe6,
for6,
fro6,
ref6,
cee5,
cor5,
ope5,
orc5,
pee5,
per5,
pro5,
rec5,
rep5,
roc5,
ere3,
ore3,
ree3,
roe3,
2 letter words:
jo9,
ef5,
fe5,
of5,
op4,
pe4,
er2,
oe2,
or2,
re2,