9 letter words:
bilirubin13,
7 letter words:
niobium11,
nombril11,
6 letter words:
bromin10,
ribbon10,
robbin10,
ionium8,
moulin8,
5 letter words:
bimbo11,
bilbo9,
blurb9,
limbi9,
limbo9,
nimbi9,
blini7,
bourn7,
broil7,
bruin7,
burin7,
ilium7,
imino7,
libri7,
linum7,
minor7,
mirin7,
mourn7,
onium7,
oribi7,
robin7,
4 letter words:
bomb10,
blob8,
blub8,
brim8,
bubo8,
bulb8,
burb8,
limb8,
numb8,
umbo8,
birl6,
biro6,
blin6,
blur6,
boil6,
born6,
brin6,
brio6,
burl6,
burn6,
limn6,
limo6,
milo6,
mini6,
miri6,
moil6,
morn6,
muni6,
muon6,
norm6,
inro4,
iron4,
lino4,
lion4,
liri4,
loin4,
lorn4,
lour4,
noil4,
noir4,
nori4,
nurl4,
roil4,
ruin4,
3 letter words:
bib7,
bob7,
bub7,
bum7,
mib7,
mob7,
bin5,
bio5,
bro5,
bun5,
bur5,
lib5,
lob5,
lum5,
mil5,
mir5,
mol5,
mon5,
mor5,
mun5,
nib5,
nim5,
nob5,
nom5,
nub5,
obi5,
orb5,
rib5,
rim5,
rob5,
rom5,
rub5,
rum5,
urb5,
ion3,
lin3,
nil3,
nor3,
oil3,
our3,
rin3,
run3,
urn3,
2 letter words:
bi4,
bo4,
mi4,
mo4,
mu4,
om4,
um4,
in2,
li2,
lo2,
no2,
nu2,
oi2,
on2,
or2,
un2,