6 letter words:
pyosis11,
5 letter words:
wispy13,
swops10,
sysop10,
wisps10,
pisos7,
4 letter words:
sizy16,
zips15,
yows10,
ywis10,
posy9,
pows9,
swop9,
wisp9,
wops9,
yips9,
sows7,
soys7,
wiss7,
piso6,
piss6,
pois6,
psis6,
sips6,
sops6,
3 letter words:
wiz15,
zip14,
yow9,
pow8,
spy8,
wop8,
yip8,
sow6,
soy6,
wis6,
wos6,
ops5,
pis5,
poi5,
psi5,
sip5,
sop5,
sis3,
sos3,
2 letter words:
ow5,
oy5,
wo5,
yo5,
op4,
pi4,
is2,
oi2,
os2,
si2,
so2,