6 letter words:
feeder10,
reefed10,
refeed10,
redeem9,
reefer9,
5 letter words:
femme12,
fremd11,
defer9,
emmer9,
freed9,
refed9,
freer8,
frere8,
merde8,
refer8,
emeer7,
merer7,
erred6,
4 letter words:
feme9,
feed8,
meme8,
deem7,
deme7,
derm7,
fere7,
free7,
meed7,
reef7,
mere6,
deer5,
dere5,
dree5,
rede5,
reed5,
3 letter words:
fem8,
def7,
fed7,
mem7,
fee6,
fer6,
med6,
ref6,
eme5,
rem5,
dee4,
red4,
ere3,
err3,
ree3,
2 letter words:
mm6,
ef5,
fe5,
em4,
me4,
de3,
ed3,
er2,
re2,