8 letter words:
obviator13,
7 letter words:
vibrato12,
6 letter words:
ovator9,
viator9,
orbita8,
5 letter words:
bravi10,
bravo10,
abort7,
biota7,
boart7,
oobit7,
orbit7,
robot7,
taboo7,
tabor7,
ariot5,
ratio5,
ratoo5,
4 letter words:
arvo7,
riva7,
rivo7,
vair7,
vita7,
voar7,
vrot7,
abri6,
bait6,
biro6,
bito6,
boar6,
boat6,
boor6,
boot6,
bora6,
bort6,
bota6,
brat6,
brio6,
brit6,
broo6,
obia6,
obit6,
rabi6,
riba6,
tabi6,
airt4,
arti4,
iota4,
rait4,
rato4,
riot4,
root4,
rota4,
roti4,
roto4,
taro4,
tiar4,
tiro4,
tora4,
tori4,
toro4,
trio4,
3 letter words:
avo6,
ova6,
tav6,
var6,
vat6,
via6,
vor6,
abo5,
arb5,
bar5,
bat5,
bio5,
bit5,
boa5,
boi5,
boo5,
bor5,
bot5,
bra5,
bro5,
oba5,
obi5,
obo5,
orb5,
rib5,
rob5,
tab5,
air3,
ait3,
art3,
ita3,
oar3,
oat3,
oor3,
oot3,
ora3,
ort3,
rai3,
rat3,
ria3,
rit3,
roo3,
rot3,
tai3,
tao3,
tar3,
too3,
tor3,
2 letter words:
ab4,
ba4,
bi4,
bo4,
ob4,
ai2,
ar2,
at2,
io2,
it2,
oi2,
oo2,
or2,
ta2,
ti2,
to2,