6 letter words:
banana8,
5 letter words:
jnana12,
unban7,
4 letter words:
juba13,
buna6,
bunn6,
anna4,
naan4,
nana4,
3 letter words:
jab12,
jun10,
aba5,
baa5,
ban5,
bun5,
nab5,
nub5,
ana3,
nan3,
nun3,
2 letter words:
ab4,
ba4,
aa2,
an2,
na2,
nu2,
un2,