7 letter words:
bullbat11,
5 letter words:
babul9,
bubal9,
bulla7,
tubal7,
4 letter words:
babu8,
blab8,
blub8,
bulb8,
abut6,
ball6,
blat6,
bull6,
tabu6,
tuba6,
latu4,
tall4,
3 letter words:
bub7,
alb5,
bal5,
bat5,
but5,
lab5,
tab5,
tub5,
all3,
alt3,
lat3,
tau3,
uta3,
2 letter words:
ab4,
ba4,
al2,
at2,
la2,
ta2,
ut2,