5 letter words:
babka13,
kabab13,
abaka11,
4 letter words:
bauk10,
abba8,
baba8,
babu8,
buba8,
kata8,
kuta8,
taka8,
abut6,
buat6,
tabu6,
tuba6,
atua4,
3 letter words:
kab9,
abb7,
aka7,
auk7,
bub7,
kat7,
tak7,
aba5,
baa5,
bat5,
but5,
tab5,
tub5,
aua3,
tau3,
uta3,
2 letter words:
ka6,
ab4,
ba4,
aa2,
at2,
ta2,
ut2,