7 letter words:
bourree9,
6 letter words:
embrue10,
burrer8,
rebore8,
5 letter words:
berme9,
brome9,
brume9,
ember9,
omber9,
ombre9,
umber9,
borer7,
burro7,
merer7,
murre7,
ormer7,
rumor7,
error5,
4 letter words:
berm8,
umbo8,
beer6,
bore6,
bree6,
brrr6,
burr6,
emeu6,
meou6,
mere6,
more6,
moue6,
mure6,
murr6,
omer6,
robe6,
rube6,
euro4,
roue4,
ruer4,
3 letter words:
bum7,
mob7,
bee5,
bro5,
brr5,
bur5,
eme5,
emu5,
mor5,
obe5,
orb5,
reb5,
rem5,
rob5,
rom5,
rub5,
rum5,
urb5,
ere3,
err3,
ore3,
our3,
ree3,
roe3,
rue3,
2 letter words:
be4,
bo4,
em4,
me4,
mo4,
mu4,
om4,
um4,
er2,
oe2,
or2,
re2,