5 letter words:
broil7,
libri7,
oribi7,
4 letter words:
bilk10,
birk10,
bork10,
kilo8,
birl6,
biro6,
boil6,
brio6,
liri4,
roil4,
3 letter words:
kob9,
ilk7,
irk7,
kir7,
koi7,
kor7,
bio5,
bro5,
lib5,
lob5,
obi5,
orb5,
rib5,
rob5,
oil3,
2 letter words:
ki6,
bi4,
bo4,
li2,
lo2,
oi2,
or2,