5 letter words:
broil7,
4 letter words:
blow9,
bowl9,
brow9,
birl6,
biro6,
blur6,
boil6,
brio6,
burl6,
lour4,
roil4,
3 letter words:
bow8,
low6,
owl6,
row6,
bio5,
bro5,
bur5,
lib5,
lob5,
obi5,
orb5,
rib5,
rob5,
rub5,
urb5,
oil3,
our3,
2 letter words:
ow5,
wo5,
bi4,
bo4,
li2,
lo2,
oi2,
or2,