5 letter words:
babka13,
bobak13,
kabab13,
kabob13,
4 letter words:
boak10,
abba8,
baba8,
boab8,
boba8,
3 letter words:
bok9,
kab9,
kob9,
abb7,
aka7,
bob7,
koa7,
oak7,
oka7,
aba5,
abo5,
baa5,
boa5,
oba5,
2 letter words:
ka6,
ko6,
ab4,
ba4,
bo4,
ob4,
aa2,