6 letter words:
blocky17,
5 letter words:
block13,
colby12,
4 letter words:
coky13,
kybo13,
yock13,
bock12,
yolk11,
lock10,
cloy9,
coly9,
bloc8,
3 letter words:
yok10,
bok9,
kob9,
boy8,
cly8,
coy8,
yob8,
cob7,
loy6,
col5,
lob5,
2 letter words:
ky9,
by7,
ko6,
oy5,
yo5,
bo4,
ob4,
lo2,