6 letter words:
biform13,
5 letter words:
brief10,
fermi10,
fiber10,
fibre10,
forme10,
biome9,
brome9,
omber9,
ombre9,
moire7,
4 letter words:
firm9,
forb9,
form9,
from9,
berm8,
brim8,
fire7,
fore7,
froe7,
reif7,
rife7,
bier6,
biro6,
bore6,
brie6,
brio6,
emir6,
mire6,
more6,
omer6,
rime6,
robe6,
3 letter words:
fem8,
fib8,
fob8,
mib7,
mob7,
fer6,
fie6,
fir6,
foe6,
for6,
fro6,
ref6,
rif6,
bio5,
bro5,
mir5,
mor5,
obe5,
obi5,
orb5,
reb5,
rem5,
rib5,
rim5,
rob5,
rom5,
ire3,
ore3,
rei3,
roe3,
2 letter words:
ef5,
fe5,
if5,
of5,
be4,
bi4,
bo4,
em4,
me4,
mi4,
mo4,
om4,
er2,
oe2,
oi2,
or2,
re2,