7 letter words:
purfler12,
6 letter words:
purfle11,
furler9,
5 letter words:
puler7,
purer7,
lurer5,
ruler5,
4 letter words:
pelf9,
flue7,
fuel7,
furl7,
pule6,
pure6,
purl6,
purr6,
lure4,
ruer4,
rule4,
3 letter words:
elf6,
fer6,
feu6,
flu6,
fur6,
ref6,
per5,
pul5,
pur5,
rep5,
urp5,
err3,
leu3,
rue3,
2 letter words:
ef5,
fe5,
pe4,
up4,
el2,
er2,
re2,