5 letter words:
knops11,
knosp11,
4 letter words:
poky13,
yoks11,
knop10,
kops10,
pony9,
posy9,
nosy7,
pons6,
3 letter words:
sky10,
yok10,
kop9,
spy8,
kos7,
soy6,
syn6,
yon6,
ops5,
sop5,
nos3,
ons3,
son3,
2 letter words:
oy5,
yo5,
op4,
no2,
on2,
os2,
so2,