5 letter words:
nabob9,
4 letter words:
boab8,
boba8,
noah7,
bona6,
3 letter words:
bah8,
boh8,
hob8,
abb7,
bob7,
han6,
hao6,
hoa6,
hon6,
nah6,
noh6,
abo5,
ban5,
boa5,
bon5,
nab5,
nob5,
oba5,
2 letter words:
ah5,
ha5,
ho5,
oh5,
ab4,
ba4,
bo4,
ob4,
an2,
na2,
no2,
on2,