9 letter words:
propionic15,
8 letter words:
cioppino14,
7 letter words:
popcorn13,
porcini11,
porcino11,
6 letter words:
coppin12,
pionic10,
piopio10,
poprin10,
ironic8,
oniric8,
5 letter words:
cippi11,
ippon9,
corni7,
corno7,
croon7,
ionic7,
orcin7,
orpin7,
poori7,
porno7,
prion7,
proin7,
ricin7,
4 letter words:
coop8,
crop8,
oppo8,
pipi8,
poco8,
poop8,
prop8,
ripp8,
cion6,
coin6,
coir6,
coni6,
coon6,
corn6,
icon6,
noop6,
pion6,
pirn6,
poon6,
poor6,
porn6,
proo6,
roop6,
inro4,
iron4,
noir4,
nori4,
roin4,
roon4,
3 letter words:
cop7,
pic7,
pip7,
pop7,
con5,
coo5,
cor5,
nip5,
oop5,
orc5,
pin5,
pir5,
poi5,
poo5,
pro5,
rip5,
roc5,
ion3,
noo3,
nor3,
ono3,
oon3,
oor3,
rin3,
roo3,
2 letter words:
op4,
pi4,
po4,
in2,
io2,
no2,
oi2,
on2,
oo2,
or2,
