6 letter words:
bettor8,
retort6,
rotter6,
5 letter words:
fetor8,
forte8,
frore8,
ofter8,
borer7,
otter5,
retro5,
rotte5,
torte5,
toter5,
4 letter words:
forb9,
fore7,
fort7,
fret7,
froe7,
reft7,
toft7,
tref7,
bore6,
bort6,
bott6,
robe6,
rote4,
tore4,
torr4,
tort4,
tote4,
tret4,
trot4,
3 letter words:
fob8,
eft6,
fer6,
fet6,
foe6,
for6,
fro6,
oft6,
ref6,
bet5,
bot5,
bro5,
brr5,
obe5,
orb5,
reb5,
rob5,
err3,
ore3,
ort3,
ret3,
roe3,
rot3,
tet3,
toe3,
tor3,
tot3,
2 letter words:
ef5,
fe5,
of5,
be4,
bo4,
er2,
et2,
oe2,
or2,
re2,
to2,