8 letter words:
cockbill18,
5 letter words:
block13,
click13,
clock13,
bocci11,
cibol9,
colic9,
4 letter words:
bock12,
cock12,
bilk10,
lick10,
lock10,
bloc8,
kill8,
kilo8,
bill6,
boil6,
boll6,
cill6,
coil6,
coll6,
lobi6,
loci6,
lilo4,
3 letter words:
bok9,
ick9,
kob9,
cob7,
ilk7,
koi7,
oik7,
bio5,
boi5,
col5,
lib5,
lob5,
obi5,
ill3,
oil3,
2 letter words:
ki6,
ko6,
bi4,
bo4,
ob4,
io2,
li2,
lo2,
oi2,
