8 letter words:
nubiform15,
7 letter words:
uniform12,
6 letter words:
biform13,
inform11,
unfirm11,
unform11,
bromin10,
5 letter words:
fibro10,
forum10,
rumbo9,
bourn7,
bruin7,
burin7,
inorb7,
minor7,
mourn7,
onium7,
robin7,
rubin7,
4 letter words:
bumf11,
bufo9,
firm9,
forb9,
form9,
frib9,
from9,
borm8,
brim8,
nimb8,
numb8,
ombu8,
umbo8,
fino7,
firn7,
foin7,
four7,
info7,
biro6,
born6,
boun6,
brin6,
brio6,
burn6,
mino6,
miro6,
morn6,
muir6,
muni6,
muon6,
norm6,
rimu6,
roum6,
inro4,
iron4,
noir4,
nori4,
ourn4,
roin4,
ruin4,
3 letter words:
fib8,
fob8,
fub8,
fum8,
bum7,
mib7,
mob7,
fin6,
fir6,
fon6,
for6,
fou6,
fro6,
fun6,
fur6,
orf6,
rif6,
ufo6,
bin5,
bio5,
boi5,
bon5,
bor5,
bro5,
bru5,
bun5,
bur5,
mir5,
moi5,
mon5,
mor5,
mou5,
mun5,
nib5,
nim5,
nob5,
nom5,
nub5,
obi5,
orb5,
rib5,
rim5,
rob5,
rom5,
rub5,
rum5,
urb5,
ion3,
nor3,
nur3,
our3,
rin3,
run3,
uni3,
urn3,
2 letter words:
if5,
of5,
bi4,
bo4,
mi4,
mo4,
mu4,
ob4,
om4,
um4,
in2,
io2,
no2,
nu2,
oi2,
on2,
or2,
ou2,
un2,
ur2,