4 letter words:
baff12,
raff10,
barf9,
afar7,
fare7,
fear7,
frae7,
bare6,
bear6,
brae6,
area4,
3 letter words:
aff9,
eff9,
fab8,
arf6,
far6,
fer6,
ref6,
aba5,
arb5,
baa5,
bar5,
bra5,
reb5,
are3,
ear3,
era3,
2 letter words:
ef5,
fa5,
fe5,
ab4,
ba4,
be4,
aa2,
ae2,
ar2,
er2,
re2,