6 letter words:
before11,
4 letter words:
beef9,
feeb9,
forb9,
fere7,
fore7,
free7,
froe7,
reef7,
beer6,
bore6,
bree6,
robe6,
3 letter words:
fob8,
fee6,
fer6,
foe6,
for6,
fro6,
ref6,
bee5,
bro5,
obe5,
orb5,
reb5,
rob5,
ere3,
ore3,
ree3,
roe3,
2 letter words:
ef5,
fe5,
of5,
be4,
bo4,
er2,
oe2,
or2,
re2,