5 letter words:
block13,
bucko13,
4 letter words:
zouk17,
bozo15,
ouzo13,
bock12,
buck12,
book10,
bulk10,
cook10,
kobo10,
lock10,
luck10,
bloc8,
club8,
kolo8,
look8,
bolo6,
cool6,
lobo6,
loco6,
obol6,
3 letter words:
coz14,
zoo12,
kob9,
cob7,
cub7,
boo5,
col5,
coo5,
lob5,
loo3,
2 letter words:
bo4,
lo2,