6 letter words:
unlock12,
uncool8,
5 letter words:
clonk11,
clunk11,
colon7,
4 letter words:
zonk17,
zouk17,
ouzo13,
zoon13,
conk10,
cook10,
lock10,
luck10,
nock10,
kolo8,
look8,
lunk8,
nook8,
clon6,
cool6,
coon6,
loco6,
unco6,
loon4,
nolo4,
3 letter words:
coz14,
zoo12,
col5,
con5,
coo5,
loo3,
noo3,
ono3,
2 letter words:
lo2,
no2,
nu2,
on2,
un2,