6 letter words:
better8,
bettor8,
tetter6,
totter6,
5 letter words:
beret7,
otter5,
rotte5,
torte5,
toter5,
4 letter words:
beer6,
beet6,
bore6,
bort6,
bott6,
bree6,
robe6,
rete4,
rote4,
tore4,
tort4,
tote4,
tree4,
tret4,
trot4,
3 letter words:
bee5,
bet5,
bot5,
bro5,
obe5,
orb5,
reb5,
rob5,
ere3,
ore3,
ort3,
ree3,
ret3,
roe3,
rot3,
tee3,
tet3,
toe3,
tor3,
tot3,
2 letter words:
be4,
bo4,
er2,
et2,
oe2,
or2,
re2,
to2,