5 letter words:
bwana10,
nawab10,
nabob9,
4 letter words:
bawn9,
abba8,
baba8,
boab8,
boba8,
anow7,
bona6,
anoa4,
3 letter words:
bow8,
wab8,
abb7,
bob7,
awa6,
awn6,
naw6,
now6,
own6,
wan6,
won6,
aba5,
abo5,
baa5,
ban5,
boa5,
bon5,
nab5,
nob5,
oba5,
ana3,
2 letter words:
aw5,
ow5,
wo5,
ab4,
ba4,
bo4,
ob4,
aa2,
an2,
na2,
no2,
on2,