6 letter words:
krooni10,
5 letter words:
pinko11,
prink11,
pronk11,
iroko9,
koori9,
kroon9,
orpin7,
poori7,
porno7,
prion7,
proin7,
4 letter words:
knop10,
pink10,
ponk10,
pook10,
pork10,
ikon8,
kino8,
kirn8,
koro8,
nook8,
nork8,
oink8,
rink8,
rook8,
noop6,
pion6,
pirn6,
poon6,
poor6,
porn6,
proo6,
roop6,
inro4,
iron4,
noir4,
nori4,
roin4,
roon4,
3 letter words:
kip9,
kop9,
ink7,
irk7,
kin7,
kir7,
koi7,
kon7,
kor7,
oik7,
rok7,
nip5,
oop5,
pin5,
pir5,
poi5,
poo5,
pro5,
rip5,
ion3,
noo3,
nor3,
ono3,
oon3,
oor3,
rin3,
roo3,
2 letter words:
ki6,
ko6,
op4,
pi4,
po4,
in2,
io2,
no2,
oi2,
on2,
oo2,
or2,