9 letter words:
beefeater14,
7 letter words:
freebee12,
6 letter words:
befret11,
bereft11,
afreet9,
feater9,
beater8,
berate8,
rebate8,
5 letter words:
after8,
beret7,
taber7,
arete5,
eater5,
4 letter words:
barf9,
beef9,
feeb9,
fare7,
fart7,
fate7,
fear7,
feat7,
feet7,
fere7,
feta7,
fete7,
frae7,
frat7,
free7,
fret7,
raft7,
reef7,
reft7,
tref7,
abet6,
bare6,
bate6,
bear6,
beat6,
beer6,
beet6,
beta6,
brae6,
brat6,
bree6,
rate4,
rete4,
tare4,
tear4,
tree4,
3 letter words:
fab8,
aft6,
arf6,
eft6,
far6,
fat6,
fee6,
fer6,
fet6,
ref6,
arb5,
bar5,
bat5,
bee5,
bet5,
bra5,
reb5,
tab5,
are3,
art3,
ate3,
ear3,
eat3,
era3,
ere3,
eta3,
rat3,
ree3,
ret3,
tae3,
tar3,
tea3,
tee3,
2 letter words:
ef5,
fa5,
fe5,
ab4,
ba4,
be4,
ae2,
ar2,
at2,
er2,
et2,
re2,
ta2,
