6 letter words:
poprin10,
5 letter words:
ippon9,
orpin7,
prion7,
proin7,
4 letter words:
prop8,
ripp8,
pion6,
pirn6,
porn6,
inro4,
iron4,
noir4,
nori4,
roin4,
3 letter words:
pip7,
pop7,
nip5,
pin5,
pir5,
poi5,
pro5,
rip5,
ion3,
nor3,
rin3,
2 letter words:
op4,
pi4,
po4,
in2,
io2,
no2,
oi2,
on2,
or2,
