5 letter words:
coups9,
pisco9,
pious7,
4 letter words:
cows9,
pows9,
scow9,
swop9,
wisp9,
wops9,
cops8,
coup8,
cups8,
cusp8,
pics8,
scop8,
scup8,
spic8,
iwis7,
opus6,
piso6,
pois6,
soup6,
3 letter words:
cow8,
pow8,
wop8,
cop7,
cup7,
pic7,
sow6,
wis6,
wos6,
cis5,
cos5,
ops5,
pis5,
piu5,
poi5,
psi5,
pus5,
sic5,
sip5,
sop5,
sup5,
upo5,
ups5,
sou3,
2 letter words:
ow5,
wo5,
op4,
pi4,
up4,
is2,
oi2,
os2,
si2,
so2,
us2,