7 letter words:
bonanza18,
6 letter words:
banzai17,
zanana15,
banana8,
banian8,
5 letter words:
baiza16,
bonza16,
bania7,
anana5,
anion5,
4 letter words:
azan13,
azon13,
nazi13,
zona13,
bani6,
bona6,
obia6,
anan4,
anna4,
anno4,
anoa4,
anon4,
naan4,
nain4,
nana4,
naoi4,
nona4,
noni4,
3 letter words:
biz14,
azo12,
zin12,
zoa12,
aba5,
abo5,
baa5,
ban5,
bin5,
bio5,
boa5,
boi5,
bon5,
nab5,
nib5,
nob5,
oba5,
obi5,
aia3,
ain3,
ana3,
ani3,
ann3,
inn3,
ion3,
nan3,
non3,
2 letter words:
za11,
zo11,
ab4,
ba4,
bi4,
bo4,
ob4,
aa2,
ai2,
an2,
in2,
io2,
na2,
no2,
oi2,
on2,