7 letter words:
pappier13,
propria11,
6 letter words:
popper12,
proper10,
rapper10,
ripper10,
riprap10,
rapier8,
repair8,
ropier8,
5 letter words:
pappi11,
poppa11,
paper9,
piper9,
preop9,
opera7,
pareo7,
parer7,
prier7,
prior7,
raper7,
repro7,
riper7,
roper7,
airer5,
4 letter words:
pepo8,
perp8,
pipe8,
pope8,
prep8,
prop8,
repp8,
aper6,
pair6,
pare6,
parr6,
pear6,
peri6,
pier6,
pore6,
prao6,
proa6,
rape6,
reap6,
repo6,
ripe6,
rope6,
aero4,
orra4,
rare4,
rear4,
roar4,
3 letter words:
app7,
pap7,
pep7,
pip7,
pop7,
ape5,
apo5,
ope5,
par5,
pea5,
per5,
pia5,
pie5,
poi5,
pro5,
rap5,
rep5,
rip5,
air3,
are3,
ear3,
era3,
err3,
ire3,
oar3,
ora3,
ore3,
rai3,
rei3,
ria3,
roe3,
2 letter words:
op4,
pa4,
pe4,
pi4,
ae2,
ai2,
ar2,
er2,
oe2,
oi2,
or2,
re2,