6 letter words:
plonko12,
5 letter words:
plonk11,
plook11,
pronk11,
kroon9,
orlop7,
porno7,
orlon5,
4 letter words:
knop10,
polk10,
ponk10,
pook10,
pork10,
kolo8,
koro8,
look8,
nook8,
nork8,
rook8,
loop6,
noop6,
polo6,
pool6,
poon6,
poor6,
porn6,
proo6,
roop6,
loon4,
loor4,
lorn4,
nolo4,
roon4,
3 letter words:
kop9,
kon7,
kor7,
rok7,
lop5,
oop5,
pol5,
poo5,
pro5,
loo3,
lor3,
noo3,
nor3,
ono3,
oon3,
oor3,
roo3,
2 letter words:
ko6,
op4,
po4,
lo2,
no2,
on2,
oo2,
or2,