5 letter words:
babka13,
kabab13,
baulk11,
babul9,
bubal9,
4 letter words:
balk10,
bauk10,
bulk10,
abba8,
baba8,
babu8,
blab8,
blub8,
buba8,
bulb8,
kaal8,
kula8,
alba6,
baal6,
balu6,
aula4,
3 letter words:
kab9,
abb7,
aka7,
auk7,
bub7,
aba5,
alb5,
baa5,
bal5,
lab5,
aal3,
ala3,
aua3,
2 letter words:
ka6,
ab4,
ba4,
aa2,
al2,
la2,