5 letter words:
brach12,
charr10,
abaca9,
barca9,
4 letter words:
bach11,
arch9,
char9,
abba8,
baba8,
barb8,
carb8,
crab8,
haar7,
brrr6,
carr6,
3 letter words:
bah8,
cab7,
aah6,
aha6,
rah6,
aba5,
arb5,
arc5,
baa5,
bar5,
bra5,
brr5,
car5,
2 letter words:
ah5,
ha5,
ab4,
ba4,
aa2,
ar2,