7 letter words:
preworn12,
repower12,
6 letter words:
prower11,
erenow9,
rewore9,
reworn9,
opener8,
pereon8,
perron8,
reopen8,
5 letter words:
power10,
newer8,
owner8,
renew8,
rewon8,
rowen8,
rower8,
preen7,
prone7,
repro7,
roper7,
4 letter words:
prow9,
weep9,
enow7,
ewer7,
ween7,
weer7,
were7,
wore7,
worn7,
wren7,
neep6,
nope6,
open6,
peen6,
peer6,
peon6,
pere6,
pone6,
pore6,
porn6,
pree6,
repo6,
rope6,
erne4,
3 letter words:
pew8,
pow8,
wop8,
ewe6,
new6,
now6,
owe6,
own6,
row6,
wee6,
wen6,
woe6,
won6,
ope5,
pee5,
pen5,
per5,
pro5,
rep5,
eon3,
ere3,
ern3,
err3,
nee3,
nor3,
one3,
ore3,
ree3,
roe3,
2 letter words:
ow5,
we5,
wo5,
op4,
pe4,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,