6 letter words:
aucuba10,
5 letter words:
abuzz25,
zanza23,
bacca11,
4 letter words:
buzz24,
azan13,
caca8,
buna6,
unau4,
3 letter words:
zuz21,
cab7,
cub7,
aba5,
baa5,
ban5,
bun5,
can5,
nab5,
nub5,
ana3,
2 letter words:
za11,
ab4,
ba4,
aa2,
an2,
na2,
nu2,
un2,