5 letter words:
fibro10,
oribi7,
4 letter words:
frow10,
bowr9,
brow9,
forb9,
frib9,
biro6,
brio6,
3 letter words:
wof9,
bow8,
fib8,
fob8,
fir6,
for6,
fro6,
iwi6,
orf6,
rif6,
row6,
bio5,
boi5,
bor5,
bro5,
obi5,
orb5,
rib5,
rob5,
2 letter words:
if5,
of5,
ow5,
wo5,
bi4,
bo4,
ob4,
io2,
oi2,
or2,