6 letter words:
bearer8,
burier8,
rubier8,
aerier6,
5 letter words:
barer7,
barre7,
briar7,
brier7,
rebar7,
urbia7,
aerie5,
airer5,
aurei5,
uraei5,
urare5,
urari5,
4 letter words:
abri6,
bare6,
bear6,
beau6,
beer6,
bier6,
birr6,
brae6,
bree6,
brie6,
bura6,
burr6,
rube6,
rare4,
rear4,
ruer4,
urea4,
3 letter words:
arb5,
bar5,
bee5,
bra5,
brr5,
bur5,
reb5,
rib5,
rub5,
urb5,
air3,
are3,
ear3,
eau3,
era3,
ere3,
err3,
ire3,
rai3,
ree3,
rei3,
ria3,
rue3,
2 letter words:
ab4,
ba4,
be4,
bi4,
ae2,
ai2,
ar2,
er2,
re2,