5 letter words:
swoop10,
woops10,
coops9,
poops9,
scoop9,
4 letter words:
cows9,
pows9,
scow9,
swop9,
wops9,
coop8,
cops8,
poco8,
poop8,
pops8,
scop8,
woos7,
coos6,
oops6,
poos6,
3 letter words:
cow8,
pow8,
wop8,
cop7,
pop7,
sow6,
woo6,
wos6,
coo5,
cos5,
ops5,
poo5,
sop5,
2 letter words:
ow5,
wo5,
op4,
os2,
so2,