6 letter words:
arbute8,
beater8,
berate8,
rebate8,
5 letter words:
beaut7,
beret7,
brute7,
buret7,
rebut7,
taber7,
tubae7,
tuber7,
arete5,
eater5,
urate5,
4 letter words:
abet6,
abut6,
bare6,
bate6,
bear6,
beat6,
beau6,
beer6,
beet6,
beta6,
brae6,
brat6,
bree6,
brut6,
bura6,
bute6,
rube6,
tabu6,
tuba6,
tube6,
rate4,
rete4,
tare4,
tear4,
tree4,
true4,
urea4,
3 letter words:
arb5,
bar5,
bat5,
bee5,
bet5,
bra5,
bur5,
but5,
reb5,
rub5,
tab5,
tub5,
urb5,
are3,
art3,
ate3,
ear3,
eat3,
eau3,
era3,
ere3,
eta3,
rat3,
ree3,
ret3,
rue3,
rut3,
tae3,
tar3,
tau3,
tea3,
tee3,
uta3,
ute3,
2 letter words:
ab4,
ba4,
be4,
ae2,
ar2,
at2,
er2,
et2,
re2,
ta2,
ut2,