7 letter words:
bourree9,
6 letter words:
rezero15,
burier8,
orbier8,
ourebi8,
rebore8,
rubier8,
5 letter words:
borer7,
brier7,
burro7,
ourie5,
4 letter words:
bize15,
zebu15,
zero13,
zori13,
beer6,
bier6,
biro6,
birr6,
bore6,
bree6,
brie6,
brio6,
burr6,
robe6,
rube6,
euro4,
roue4,
ruer4,
3 letter words:
biz14,
zee12,
bee5,
bio5,
bro5,
brr5,
bur5,
obe5,
obi5,
orb5,
reb5,
rib5,
rob5,
rub5,
urb5,
ere3,
err3,
ire3,
ore3,
our3,
ree3,
rei3,
roe3,
rue3,
2 letter words:
be4,
bi4,
bo4,
er2,
oe2,
oi2,
or2,
re2,