7 letter words:
perform14,
preform14,
emperor11,
6 letter words:
formee11,
former11,
prefer11,
reform11,
romper10,
5 letter words:
forme10,
moper9,
proem9,
freer8,
frere8,
frore8,
refer8,
merer7,
ormer7,
repro7,
roper7,
4 letter words:
feme9,
form9,
from9,
prof9,
mope8,
perm8,
poem8,
pome8,
prom8,
romp8,
fere7,
fore7,
free7,
froe7,
reef7,
mere6,
more6,
omer6,
peer6,
pere6,
pore6,
pree6,
repo6,
rope6,
3 letter words:
fem8,
fop8,
mop7,
pom7,
fee6,
fer6,
foe6,
for6,
fro6,
ref6,
eme5,
mor5,
ope5,
pee5,
per5,
pro5,
rem5,
rep5,
rom5,
ere3,
err3,
ore3,
ree3,
roe3,
2 letter words:
ef5,
fe5,
of5,
em4,
me4,
mo4,
om4,
op4,
pe4,
er2,
oe2,
or2,
re2,