5 letter words:
bocks13,
sicko11,
bigos8,
biogs8,
4 letter words:
bock12,
bisk10,
bosk10,
kobs10,
sick10,
sock10,
cobs8,
kois8,
bigs7,
biog7,
bogs7,
cigs7,
cogs7,
gibs7,
gobs7,
bios6,
obis6,
3 letter words:
ick9,
kob9,
cob7,
kis7,
koi7,
kos7,
ski7,
big6,
bog6,
cig6,
cog6,
gib6,
gob6,
bio5,
bis5,
bos5,
cis5,
cos5,
obi5,
sib5,
sic5,
sob5,
gos4,
2 letter words:
ki6,
bi4,
bo4,
go3,
is2,
oi2,
os2,
si2,
so2,