8 letter words:
bouillon10,
7 letter words:
bourbon11,
bullion9,
6 letter words:
bulbil10,
ribbon10,
robbin10,
billon8,
brillo8,
unroll6,
5 letter words:
bilbo9,
blurb9,
boron7,
bourn7,
brill7,
broil7,
bruin7,
burin7,
oboli7,
robin7,
orlon5,
4 letter words:
blob8,
blub8,
boob8,
bubo8,
bulb8,
burb8,
bill6,
birl6,
biro6,
blin6,
blur6,
boil6,
boll6,
bolo6,
boon6,
boor6,
born6,
brin6,
brio6,
broo6,
bull6,
burl6,
burn6,
lobo6,
obol6,
inro4,
iron4,
lilo4,
lino4,
lion4,
loin4,
loon4,
lorn4,
lour4,
nill4,
noil4,
noir4,
nolo4,
nori4,
null4,
nurl4,
olio4,
rill4,
roil4,
roll4,
ruin4,
3 letter words:
bib7,
bob7,
bub7,
bin5,
bio5,
boo5,
bro5,
bun5,
bur5,
lib5,
lob5,
nib5,
nob5,
nub5,
obi5,
orb5,
rib5,
rob5,
rub5,
urb5,
ill3,
ion3,
lin3,
loo3,
nil3,
noo3,
nor3,
oil3,
ono3,
our3,
rin3,
run3,
urn3,
2 letter words:
bi4,
bo4,
in2,
li2,
lo2,
no2,
nu2,
oi2,
on2,
or2,
un2,