5 letter words:
babka13,
kabab13,
abaka11,
kabar11,
parka11,
4 letter words:
bark10,
kapa10,
kbar10,
park10,
abba8,
arak8,
baba8,
barb8,
para6,
3 letter words:
kab9,
ark7,
bap7,
aba5,
arb5,
baa5,
bar5,
bra5,
par5,
rap5,
2 letter words:
ka6,
ab4,
ba4,
pa4,
aa2,
ar2,