5 letter words:
block13,
bucko13,
4 letter words:
zouk17,
bozo15,
zobo15,
zobu15,
ouzo13,
bock12,
buck12,
boko10,
book10,
bouk10,
bulk10,
cook10,
kobo10,
lock10,
luck10,
bloc8,
club8,
kolo8,
look8,
oulk8,
bolo6,
bool6,
clou6,
cool6,
lobo6,
loco6,
obol6,
3 letter words:
coz14,
cuz14,
luz12,
zol12,
zoo12,
bok9,
kob9,
cob7,
cub7,
ouk7,
boo5,
col5,
coo5,
lob5,
obo5,
loo3,
lou3,
2 letter words:
zo11,
ko6,
bo4,
ob4,
lo2,
oo2,
ou2,