5 letter words:
brock13,
brook11,
crook11,
4 letter words:
bozo15,
orzo13,
bock12,
work11,
book10,
bork10,
cook10,
cork10,
kobo10,
rock10,
brow9,
crow9,
rook8,
boor6,
broo6,
3 letter words:
coz14,
zoo12,
wok10,
kob9,
bow8,
cow8,
cob7,
kor7,
row6,
woo6,
boo5,
bro5,
coo5,
cor5,
orb5,
orc5,
rob5,
roc5,
2 letter words:
ow5,
wo5,
bo4,
or2,