7 letter words:
roopier9,
6 letter words:
poorer8,
porier8,
ropier8,
oorier6,
5 letter words:
poori7,
porer7,
prier7,
prior7,
prore7,
repro7,
riper7,
roper7,
oorie5,
rorie5,
4 letter words:
peri6,
pier6,
poor6,
pore6,
proo6,
repo6,
ripe6,
roop6,
rope6,
rore4,
3 letter words:
oop5,
ope5,
per5,
pie5,
pir5,
poi5,
poo5,
pre5,
pro5,
rep5,
rip5,
err3,
ire3,
oor3,
ore3,
rei3,
reo3,
roe3,
roo3,
2 letter words:
op4,
pe4,
pi4,
po4,
er2,
io2,
oe2,
oi2,
oo2,
or2,
re2,