7 letter words:
proofer12,
reproof12,
6 letter words:
reroof9,
roofer9,
poorer8,
5 letter words:
proof10,
frore8,
porer7,
prore7,
repro7,
roper7,
4 letter words:
poof9,
prof9,
fore7,
froe7,
orfe7,
roof7,
poor6,
pore6,
proo6,
repo6,
roop6,
rope6,
rore4,
3 letter words:
fop8,
erf6,
fer6,
foe6,
for6,
fro6,
oof6,
orf6,
ref6,
oop5,
ope5,
per5,
poo5,
pre5,
pro5,
rep5,
err3,
oor3,
ore3,
reo3,
roe3,
roo3,
2 letter words:
ef5,
fe5,
of5,
op4,
pe4,
po4,
er2,
oe2,
oo2,
or2,
re2,
