5 letter words:
brock13,
broke11,
ocker11,
4 letter words:
beck12,
bock12,
berk10,
bork10,
coke10,
cork10,
kerb10,
reck10,
rock10,
kore8,
bore6,
cero6,
core6,
robe6,
3 letter words:
kob9,
cob7,
kor7,
oke7,
bro5,
cor5,
obe5,
orb5,
orc5,
reb5,
rec5,
rob5,
roc5,
ore3,
roe3,
2 letter words:
be4,
bo4,
er2,
oe2,
or2,
re2,