5 letter words:
sowps10,
swops10,
wisps10,
pisos7,
4 letter words:
pows9,
sowp9,
swop9,
wisp9,
wops9,
iwis7,
sows7,
wiss7,
piso6,
piss6,
pois6,
poss6,
psis6,
sips6,
sops6,
isos4,
3 letter words:
pow8,
wop8,
iwi6,
sow6,
wis6,
wos6,
ops5,
pis5,
poi5,
pos5,
psi5,
sip5,
sop5,
ios3,
iso3,
sis3,
sos3,
2 letter words:
ow5,
wo5,
op4,
pi4,
po4,
io2,
is2,
oi2,
os2,
si2,
so2,