7 letter words:
repower12,
6 letter words:
prower11,
rewore9,
5 letter words:
power10,
powre10,
rower8,
porer7,
prore7,
repro7,
roper7,
4 letter words:
prow9,
weep9,
ewer7,
ower7,
owre7,
weer7,
were7,
wero7,
wore7,
peer6,
pere6,
pore6,
pree6,
repo6,
rope6,
rore4,
3 letter words:
pew8,
pow8,
wop8,
ewe6,
owe6,
rew6,
row6,
wee6,
woe6,
ope5,
pee5,
per5,
pre5,
pro5,
rep5,
ere3,
err3,
ore3,
ree3,
reo3,
roe3,
2 letter words:
ow5,
we5,
wo5,
op4,
pe4,
po4,
ee2,
er2,
oe2,
or2,
re2,