5 letter words:
cisco9,
cocos9,
scoog8,
4 letter words:
cows9,
scow9,
coco8,
swig8,
wigs8,
wogs8,
cigs7,
cogs7,
scog7,
woos7,
coos6,
gios5,
goos5,
3 letter words:
cow8,
wig7,
wog7,
cig6,
cog6,
sow6,
wis6,
woo6,
wos6,
cis5,
coo5,
cos5,
sic5,
soc5,
gio4,
gis4,
goo4,
gos4,
sog4,
ios3,
iso3,
oos3,
2 letter words:
ow5,
wo5,
gi3,
go3,
io2,
is2,
oi2,
oo2,
os2,
si2,
so2,