6 letter words:
blocks14,
5 letter words:
block13,
bocks13,
locks11,
stock11,
blocs9,
blots7,
bolts7,
clots7,
colts7,
4 letter words:
bock12,
bosk10,
kobs10,
lock10,
sock10,
bloc8,
cobs8,
blot6,
bolt6,
bots6,
clot6,
cols6,
colt6,
cost6,
cots6,
lobs6,
scot6,
slob6,
stob6,
lost4,
lots4,
slot4,
3 letter words:
kob9,
cob7,
kos7,
tsk7,
bos5,
bot5,
col5,
cos5,
cot5,
lob5,
sob5,
lot3,
sol3,
sot3,
2 letter words:
bo4,
lo2,
os2,
so2,
to2,