9 letter words:
libriform16,
7 letter words:
biofilm14,
6 letter words:
biform13,
fibril11,
5 letter words:
filmi10,
limbi9,
limbo9,
broil7,
libri7,
oribi7,
4 letter words:
film9,
firm9,
forb9,
form9,
from9,
brim8,
limb8,
filo7,
flir7,
foil7,
rolf7,
birl6,
biro6,
birr6,
boil6,
brio6,
limo6,
milo6,
miri6,
moil6,
liri4,
roil4,
3 letter words:
fib8,
fob8,
mib7,
mob7,
fil6,
fir6,
for6,
fro6,
rif6,
bio5,
bro5,
brr5,
lib5,
lob5,
mil5,
mir5,
mol5,
mor5,
obi5,
orb5,
rib5,
rim5,
rob5,
rom5,
oil3,
2 letter words:
if5,
of5,
bi4,
bo4,
mi4,
mo4,
om4,
li2,
lo2,
oi2,
or2,