5 letter words:
brock13,
bucko13,
brook11,
crook11,
4 letter words:
bock12,
buck12,
work11,
book10,
bork10,
cook10,
cork10,
kobo10,
rock10,
ruck10,
brow9,
crow9,
curb8,
rook8,
boor6,
broo6,
3 letter words:
wok10,
kob9,
wow9,
bow8,
cow8,
cob7,
cub7,
kor7,
row6,
woo6,
boo5,
bro5,
bur5,
coo5,
cor5,
cru5,
cur5,
orb5,
orc5,
rob5,
roc5,
rub5,
urb5,
our3,
2 letter words:
ow5,
wo5,
bo4,
or2,