6 letter words:
puirer8,
repure8,
5 letter words:
prier7,
puree7,
purer7,
riper7,
rupee7,
4 letter words:
peer6,
pere6,
peri6,
pier6,
pree6,
puer6,
puir6,
pure6,
puri6,
purr6,
ripe6,
rurp6,
iure4,
ruer4,
3 letter words:
pee5,
per5,
pie5,
pir5,
piu5,
pre5,
pur5,
rep5,
rip5,
urp5,
ere3,
err3,
ire3,
ree3,
rei3,
rue3,
ure3,
2 letter words:
pe4,
pi4,
up4,
ee2,
er2,
re2,
ur2,