6 letter words:
ablaut8,
5 letter words:
babul9,
bubal9,
tabla7,
tubal7,
4 letter words:
abba8,
baba8,
babu8,
blab8,
blub8,
bulb8,
abut6,
alba6,
baal6,
blat6,
tabu6,
tuba6,
latu4,
tala4,
3 letter words:
bub7,
aba5,
alb5,
baa5,
bal5,
bat5,
but5,
lab5,
tab5,
tub5,
aal3,
ala3,
alt3,
lat3,
tau3,
uta3,
2 letter words:
ab4,
ba4,
aa2,
al2,
at2,
la2,
ta2,
ut2,