6 letter words:
plonko12,
5 letter words:
plonk11,
plook11,
4 letter words:
knop10,
polk10,
ponk10,
pook10,
kolo8,
look8,
nook8,
loop6,
noop6,
polo6,
pool6,
poon6,
loon4,
nolo4,
3 letter words:
kop9,
kon7,
lop5,
oop5,
pol5,
poo5,
loo3,
noo3,
ono3,
oon3,
2 letter words:
ko6,
op4,
po4,
lo2,
no2,
on2,
oo2,