5 letter words:
pisco9,
4 letter words:
zips15,
zoic15,
cows9,
pows9,
scow9,
swop9,
wisp9,
wops9,
cops8,
pics8,
scop8,
spic8,
iwis7,
piso6,
pois6,
3 letter words:
wiz15,
coz14,
zip14,
cow8,
pow8,
wop8,
cop7,
pic7,
sow6,
wis6,
wos6,
cis5,
cos5,
ops5,
pis5,
poi5,
psi5,
sic5,
sip5,
sop5,
2 letter words:
ow5,
wo5,
op4,
pi4,
is2,
oi2,
os2,
si2,
so2,