6 letter words:
before11,
befret11,
bereft11,
ferret9,
rebore8,
retore6,
5 letter words:
fetor8,
forte8,
freer8,
frere8,
frore8,
ofter8,
refer8,
beret7,
borer7,
retro5,
4 letter words:
beef9,
feeb9,
forb9,
feet7,
fere7,
fete7,
fore7,
fort7,
free7,
fret7,
froe7,
reef7,
reft7,
tref7,
beer6,
beet6,
bore6,
bort6,
bree6,
robe6,
rete4,
rote4,
tore4,
torr4,
tree4,
3 letter words:
fob8,
eft6,
fee6,
fer6,
fet6,
foe6,
for6,
fro6,
oft6,
ref6,
bee5,
bet5,
bot5,
bro5,
brr5,
obe5,
orb5,
reb5,
rob5,
ere3,
err3,
ore3,
ort3,
ree3,
ret3,
roe3,
rot3,
tee3,
toe3,
tor3,
2 letter words:
ef5,
fe5,
of5,
be4,
bo4,
er2,
et2,
oe2,
or2,
re2,
to2,