5 letter words:
popsy12,
psyop12,
sippy12,
soppy12,
pioys10,
4 letter words:
pipy11,
pioy9,
posy9,
yips9,
pips8,
pops8,
piso6,
pois6,
3 letter words:
spy8,
yip8,
pip7,
pop7,
oys6,
soy6,
yos6,
ops5,
pis5,
poi5,
pos5,
psi5,
sip5,
sop5,
ios3,
iso3,
2 letter words:
oy5,
yo5,
op4,
pi4,
po4,
io2,
is2,
oi2,
os2,
si2,
so2,