5 letter words:
sozin14,
opsin7,
pions7,
4 letter words:
zips15,
zins13,
pips8,
pops8,
nips6,
pins6,
pion6,
piso6,
pois6,
pons6,
snip6,
spin6,
ions4,
nisi4,
3 letter words:
zip14,
zin12,
pip7,
pop7,
nip5,
ops5,
pin5,
pis5,
poi5,
psi5,
sip5,
sop5,
ins3,
ion3,
nos3,
ons3,
sin3,
son3,
2 letter words:
op4,
pi4,
in2,
is2,
no2,
oi2,
on2,
os2,
si2,
so2,