7 letter words:
cattabu11,
6 letter words:
abattu8,
5 letter words:
batta7,
battu7,
4 letter words:
abac8,
caba8,
abut6,
acta6,
batt6,
buat6,
butt6,
tabu6,
tact6,
tuba6,
atua4,
tatu4,
taut4,
3 letter words:
bac7,
cab7,
cub7,
aba5,
act5,
baa5,
bat5,
but5,
caa5,
cat5,
cut5,
tab5,
tub5,
att3,
aua3,
tat3,
tau3,
tut3,
uta3,
2 letter words:
ab4,
ba4,
aa2,
at2,
ta2,
ut2,