8 letter words:
cockbird19,
6 letter words:
cobric12,
5 letter words:
brick13,
brock13,
crick13,
crock13,
bocci11,
boric9,
croci9,
doric8,
4 letter words:
bock12,
cock12,
dick11,
dock11,
birk10,
bork10,
brik10,
cork10,
rick10,
rock10,
dirk9,
dork9,
crib8,
croc8,
bird7,
bord7,
brod7,
cord7,
dorb7,
drib7,
odic7,
biro6,
brio6,
coir6,
3 letter words:
bok9,
ick9,
kob9,
kid8,
cob7,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
bid6,
bod6,
cid6,
cod6,
dib6,
dob6,
doc6,
bio5,
boi5,
bor5,
bro5,
cor5,
obi5,
orb5,
orc5,
rib5,
rob5,
roc5,
dor4,
ord4,
rid4,
rod4,
2 letter words:
ki6,
ko6,
bi4,
bo4,
ob4,
di3,
do3,
id3,
od3,
io2,
oi2,
or2,