6 letter words:
abattu8,
5 letter words:
batta7,
battu7,
rabat7,
tubar7,
attar5,
tatar5,
tuart5,
4 letter words:
abut6,
arba6,
batt6,
baur6,
brat6,
brut6,
buat6,
bura6,
butt6,
tabu6,
tuba6,
atua4,
aura4,
rata4,
ratu4,
tara4,
tart4,
tatu4,
taut4,
trat4,
3 letter words:
aba5,
arb5,
baa5,
bar5,
bat5,
bra5,
bru5,
bur5,
but5,
rub5,
tab5,
tub5,
urb5,
art3,
att3,
aua3,
rat3,
rut3,
tar3,
tat3,
tau3,
tut3,
uta3,
2 letter words:
ab4,
ba4,
aa2,
ar2,
at2,
ta2,
ur2,
ut2,