7 letter words:
aerobia9,
barrier9,
6 letter words:
arriba8,
arroba8,
barrio8,
orbier8,
arrear6,
roarer6,
5 letter words:
arbor7,
barer7,
barre7,
borer7,
briar7,
brier7,
rebar7,
airer5,
error5,
rarer5,
4 letter words:
abri6,
bare6,
bear6,
bier6,
biro6,
birr6,
boar6,
bora6,
bore6,
brae6,
brie6,
brio6,
brrr6,
obia6,
robe6,
aero4,
area4,
aria4,
orra4,
raia4,
rare4,
rear4,
roar4,
3 letter words:
aba5,
abo5,
arb5,
baa5,
bar5,
bio5,
boa5,
bra5,
bro5,
brr5,
oba5,
obe5,
obi5,
orb5,
reb5,
rib5,
rob5,
air3,
are3,
ear3,
era3,
err3,
ire3,
oar3,
ora3,
ore3,
rai3,
rei3,
ria3,
roe3,
2 letter words:
ab4,
ba4,
be4,
bi4,
bo4,
aa2,
ae2,
ai2,
ar2,
er2,
oe2,
oi2,
or2,
re2,