7 letter words:
ribwork16,
4 letter words:
work11,
birk10,
bork10,
brik10,
bowr9,
brow9,
biro6,
birr6,
brio6,
3 letter words:
kow10,
wok10,
bok9,
kob9,
bow8,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
row6,
bio5,
boi5,
bor5,
bro5,
brr5,
obi5,
orb5,
rib5,
rob5,
2 letter words:
ki6,
ko6,
ow5,
wo5,
bi4,
bo4,
ob4,
io2,
oi2,
or2,
