6 letter words:
blurts8,
bututs8,
5 letter words:
burds8,
drubs8,
blurs7,
blurt7,
bruts7,
burls7,
burst7,
butts7,
butut7,
rubus7,
slurb7,
durst6,
turds6,
strut5,
sturt5,
trust5,
tutus5,
4 letter words:
buds7,
burd7,
drub7,
dubs7,
blur6,
brut6,
burl6,
burs6,
bust6,
buts6,
butt6,
rubs6,
slub6,
stub6,
tubs6,
urbs6,
dust5,
stud5,
surd5,
turd5,
urds5,
lust4,
rust4,
ruts4,
slur4,
slut4,
sulu4,
tuts4,
tutu4,
ulus4,
urus4,
3 letter words:
bud6,
dub6,
bur5,
bus5,
but5,
rub5,
sub5,
tub5,
urb5,
urd4,
rut3,
tut3,
ulu3,
uts3,
2 letter words:
us2,
ut2,