5 letter words:
babka13,
kabab13,
kabob13,
4 letter words:
abba8,
baba8,
obia6,
3 letter words:
wok10,
kab9,
kob9,
bow8,
wab8,
bib7,
bob7,
koa7,
koi7,
oak7,
oka7,
awa6,
aba5,
abo5,
baa5,
bio5,
boa5,
oba5,
obi5,
2 letter words:
ka6,
ki6,
aw5,
ow5,
wo5,
ab4,
ba4,
bi4,
bo4,
aa2,
ai2,
oi2,