7 letter words:
perjure16,
6 letter words:
prefer11,
5 letter words:
freer8,
frere8,
refer8,
puree7,
purer7,
rupee7,
4 letter words:
jefe14,
jeep13,
jupe13,
jeer11,
fere7,
free7,
reef7,
peer6,
pere6,
pree6,
pure6,
purr6,
ruer4,
3 letter words:
jee10,
jeu10,
fee6,
fer6,
feu6,
fur6,
ref6,
pee5,
per5,
pur5,
rep5,
urp5,
ere3,
err3,
ree3,
rue3,
2 letter words:
ef5,
fe5,
pe4,
up4,
er2,
re2,