6 letter words:
rubato8,
tabour8,
5 letter words:
abort7,
about7,
boart7,
tabor7,
turbo7,
4 letter words:
abut6,
boar6,
boat6,
bora6,
bort6,
bota6,
bout6,
brat6,
brut6,
bura6,
tabu6,
tuba6,
auto4,
rato4,
rota4,
rout4,
taro4,
tora4,
tour4,
3 letter words:
abo5,
arb5,
bar5,
bat5,
boa5,
bot5,
bra5,
bro5,
bur5,
but5,
oba5,
orb5,
rob5,
rub5,
tab5,
tub5,
urb5,
art3,
oar3,
oat3,
ora3,
ort3,
our3,
out3,
rat3,
rot3,
rut3,
tao3,
tar3,
tau3,
tor3,
uta3,
2 letter words:
ab4,
ba4,
bo4,
ar2,
at2,
or2,
ta2,
to2,
ut2,