5 letter words:
blurs7,
bolus7,
burls7,
slurb7,
lours5,
4 letter words:
blur6,
bros6,
burl6,
burs6,
lobs6,
orbs6,
robs6,
rubs6,
slob6,
slub6,
sorb6,
urbs6,
lour4,
ours4,
slur4,
soul4,
sour4,
3 letter words:
bos5,
bro5,
bur5,
bus5,
lob5,
orb5,
rob5,
rub5,
sob5,
sub5,
urb5,
ors3,
our3,
sol3,
sou3,
2 letter words:
bo4,
lo2,
or2,
os2,
so2,
us2,