7 letter words:
proofer12,
reproof12,
6 letter words:
woofer12,
prower11,
reroof9,
roofer9,
poorer8,
5 letter words:
power10,
powre10,
proof10,
frore8,
rower8,
wooer8,
porer7,
prore7,
repro7,
roper7,
4 letter words:
frow10,
woof10,
poof9,
prof9,
prow9,
fore7,
froe7,
orfe7,
ower7,
owre7,
roof7,
wero7,
wore7,
poor6,
pore6,
proo6,
repo6,
roop6,
rope6,
rore4,
3 letter words:
few9,
wof9,
fop8,
pew8,
pow8,
wop8,
erf6,
fer6,
foe6,
for6,
fro6,
oof6,
orf6,
owe6,
ref6,
rew6,
row6,
woe6,
woo6,
oop5,
ope5,
per5,
poo5,
pre5,
pro5,
rep5,
err3,
oor3,
ore3,
reo3,
roe3,
roo3,
2 letter words:
ef5,
fe5,
of5,
ow5,
we5,
wo5,
op4,
pe4,
po4,
er2,
oe2,
oo2,
or2,
re2,