5 letter words:
cowps12,
scowp12,
coups9,
scoup9,
4 letter words:
cowp11,
cows9,
pows9,
scow9,
sowp9,
swop9,
wops9,
cops8,
coup8,
cups8,
cusp8,
scop8,
scup8,
opus6,
oups6,
soup6,
3 letter words:
coz14,
cuz14,
poz14,
zos12,
cow8,
pow8,
wop8,
cop7,
cup7,
sow6,
wos6,
wus6,
cos5,
ops5,
oup5,
pos5,
pus5,
soc5,
sop5,
sup5,
upo5,
ups5,
ous3,
sou3,
2 letter words:
zo11,
ow5,
wo5,
op4,
po4,
up4,
os2,
ou2,
so2,
us2,