7 letter words:
brulots9,
rubouts9,
torulus7,
6 letter words:
blurts8,
boults8,
brulot8,
robust8,
rubout8,
sublot8,
turbos8,
5 letter words:
blots7,
blurs7,
blurt7,
bolts7,
bolus7,
borts7,
boult7,
bouts7,
brust7,
bruts7,
burls7,
burst7,
lobus7,
rubus7,
slurb7,
turbo7,
lotus5,
lours5,
louts5,
rotls5,
rouls5,
roust5,
routs5,
stour5,
sutor5,
tolus5,
torus5,
tours5,
4 letter words:
blot6,
blur6,
bolt6,
bors6,
bort6,
bots6,
bout6,
bros6,
brus6,
brut6,
burl6,
burs6,
bust6,
buts6,
lobs6,
orbs6,
robs6,
rubs6,
slob6,
slub6,
sorb6,
stob6,
stub6,
tubs6,
urbs6,
lost4,
lots4,
lour4,
lous4,
lout4,
lurs4,
lust4,
orts4,
ours4,
oust4,
outs4,
rost4,
rotl4,
rots4,
roul4,
rout4,
rust4,
ruts4,
slot4,
slur4,
slut4,
sort4,
soul4,
sour4,
sout4,
sulu4,
tolu4,
tors4,
tour4,
ulus4,
urus4,
utus4,
3 letter words:
bor5,
bos5,
bot5,
bro5,
bru5,
bur5,
bus5,
but5,
lob5,
obs5,
orb5,
rob5,
rub5,
sob5,
sub5,
tub5,
urb5,
lor3,
los3,
lot3,
lou3,
lur3,
ors3,
ort3,
our3,
ous3,
out3,
rot3,
rut3,
sol3,
sot3,
sou3,
sur3,
tor3,
ulu3,
uts3,
utu3,
2 letter words:
bo4,
ob4,
lo2,
or2,
os2,
ou2,
so2,
st2,
to2,
ur2,
us2,
ut2,