7 letter words:
bitturs9,
turbits9,
6 letter words:
bittur8,
britts8,
bruits8,
tubist8,
turbit8,
5 letter words:
bitts7,
brits7,
britt7,
bruit7,
brust7,
bruts7,
buist7,
burst7,
busti7,
butts7,
ritts5,
strut5,
sturt5,
trist5,
trust5,
4 letter words:
bist6,
bits6,
bitt6,
bris6,
brit6,
brus6,
brut6,
burs6,
bust6,
buts6,
butt6,
ribs6,
rubs6,
stub6,
tubs6,
urbs6,
rits4,
ritt4,
rust4,
ruts4,
stir4,
suit4,
tits4,
tuis4,
tuts4,
utis4,
3 letter words:
bis5,
bit5,
bru5,
bur5,
bus5,
but5,
rib5,
rub5,
sib5,
sub5,
tub5,
urb5,
its3,
rit3,
rut3,
sir3,
sit3,
sri3,
sui3,
sur3,
tis3,
tit3,
tui3,
tut3,
uts3,
2 letter words:
bi4,
is2,
it2,
si2,
st2,
ti2,
ur2,
us2,
ut2,
