8 letter words:
fibrotic15,
6 letter words:
biotic10,
5 letter words:
croft10,
boric9,
orbit7,
oribi7,
toric7,
torii5,
4 letter words:
coft9,
coif9,
corf9,
fico9,
foci9,
forb9,
crib8,
fort7,
frit7,
rift7,
biro6,
bort6,
brio6,
brit6,
coir6,
crit6,
obit6,
otic6,
torc6,
riot4,
roti4,
tiro4,
tori4,
trio4,
3 letter words:
fib8,
fob8,
cob7,
fir6,
fit6,
for6,
fro6,
oft6,
rif6,
bio5,
bit5,
bot5,
bro5,
cor5,
cot5,
obi5,
orb5,
orc5,
rib5,
rob5,
roc5,
tic5,
ort3,
rot3,
tor3,
2 letter words:
if5,
of5,
bi4,
bo4,
it2,
oi2,
or2,
ti2,
to2,