6 letter words:
bookoo12,
boocoo10,
5 letter words:
jocko18,
block13,
brock13,
brook11,
crook11,
color7,
4 letter words:
jock17,
bock12,
book10,
bork10,
cook10,
cork10,
kobo10,
lock10,
rock10,
bloc8,
kolo8,
look8,
rook8,
bolo6,
boor6,
broo6,
cool6,
lobo6,
loco6,
obol6,
3 letter words:
job12,
kob9,
cob7,
kor7,
boo5,
bro5,
col5,
coo5,
cor5,
lob5,
orb5,
orc5,
rob5,
roc5,
loo3,
2 letter words:
jo9,
bo4,
lo2,
or2,