8 letter words:
roborant10,
6 letter words:
orator6,
ratoon6,
5 letter words:
aboon7,
abort7,
arbor7,
baron7,
baton7,
boart7,
boron7,
brant7,
robot7,
taboo7,
tabor7,
rotor5,
trona5,
4 letter words:
barn6,
boar6,
boat6,
boon6,
boor6,
boot6,
bora6,
born6,
bort6,
bota6,
bran6,
brat6,
broo6,
nota4,
onto4,
orra4,
rant4,
rato4,
roan4,
roar4,
root4,
rota4,
roto4,
tarn4,
taro4,
toon4,
tora4,
torn4,
toro4,
torr4,
3 letter words:
abo5,
arb5,
ban5,
bar5,
bat5,
boa5,
boo5,
bot5,
bra5,
bro5,
brr5,
nab5,
nob5,
oba5,
orb5,
rob5,
tab5,
ant3,
art3,
noo3,
nor3,
not3,
oar3,
oat3,
ono3,
oot3,
ora3,
ort3,
ran3,
rat3,
rot3,
tan3,
tao3,
tar3,
ton3,
too3,
tor3,
2 letter words:
ab4,
ba4,
bo4,
an2,
ar2,
at2,
na2,
no2,
on2,
or2,
ta2,
to2,