5 letter words:
aback13,
babka13,
kabab13,
abaci9,
cabin9,
4 letter words:
back12,
bank10,
nick10,
abba8,
akin8,
baba8,
kain8,
kana8,
kina8,
bani6,
cain6,
3 letter words:
ick9,
kab9,
bib7,
cab7,
ink7,
kin7,
aba5,
baa5,
ban5,
bin5,
can5,
nab5,
nib5,
ain3,
ana3,
ani3,
2 letter words:
ka6,
ki6,
ab4,
ba4,
bi4,
aa2,
ai2,
an2,
in2,
na2,