5 letter words:
defer9,
feued9,
freed9,
heder9,
refed9,
4 letter words:
feed8,
feud8,
heed8,
herd8,
hued8,
fere7,
free7,
here7,
reef7,
deer5,
dere5,
dree5,
dure5,
rede5,
reed5,
rude5,
rued5,
3 letter words:
feh9,
def7,
duh7,
edh7,
fed7,
fud7,
fee6,
fer6,
feu6,
fur6,
her6,
hue6,
ref6,
dee4,
due4,
red4,
urd4,
ere3,
ree3,
rue3,
2 letter words:
ef5,
eh5,
fe5,
he5,
uh5,
de3,
ed3,
er2,
re2,