6 letter words:
fabber13,
barber10,
5 letter words:
rehab10,
barbe9,
farer8,
barer7,
barre7,
rebar7,
4 letter words:
haaf10,
barf9,
herb9,
abba8,
abbe8,
baba8,
babe8,
barb8,
afar7,
fare7,
fear7,
frae7,
haar7,
hare7,
hear7,
rhea7,
bare6,
bear6,
brae6,
area4,
rare4,
rear4,
3 letter words:
feh9,
bah8,
fab8,
ebb7,
aah6,
aha6,
arf6,
far6,
fer6,
hae6,
her6,
rah6,
ref6,
aba5,
arb5,
baa5,
bar5,
bra5,
brr5,
reb5,
are3,
ear3,
era3,
err3,
2 letter words:
ah5,
ef5,
eh5,
fa5,
fe5,
ha5,
he5,
ab4,
ba4,
be4,
aa2,
ae2,
ar2,
er2,
re2,