5 letter words:
beret7,
biter7,
boite7,
orbit7,
tribe7,
retie5,
4 letter words:
beer6,
beet6,
bier6,
biro6,
bite6,
bore6,
bort6,
bree6,
brie6,
brio6,
brit6,
obit6,
robe6,
rete4,
riot4,
rite4,
rote4,
roti4,
tier4,
tire4,
tiro4,
tore4,
tori4,
tree4,
trio4,
3 letter words:
bee5,
bet5,
bio5,
bit5,
bot5,
bro5,
obe5,
obi5,
orb5,
reb5,
rib5,
rob5,
ere3,
ire3,
ore3,
ort3,
ree3,
rei3,
ret3,
roe3,
rot3,
tee3,
tie3,
toe3,
tor3,
2 letter words:
be4,
bi4,
bo4,
er2,
et2,
it2,
oe2,
oi2,
or2,
re2,
ti2,
to2,