6 letter words:
bittur8,
turbit8,
5 letter words:
bitty10,
butty10,
rutty8,
britt7,
bruit7,
4 letter words:
bury9,
ruby9,
yurt7,
bitt6,
brit6,
brut6,
butt6,
ritt4,
3 letter words:
buy8,
try6,
bit5,
bru5,
bur5,
but5,
rib5,
rub5,
tub5,
urb5,
rit3,
rut3,
tit3,
tui3,
tut3,
2 letter words:
by7,
yu5,
bi4,
it2,
ti2,
ur2,
ut2,