7 letter words:
popcorn13,
5 letter words:
corno7,
croon7,
porno7,
4 letter words:
coop8,
crop8,
oppo8,
poco8,
poop8,
prop8,
coon6,
corn6,
noop6,
poon6,
poor6,
porn6,
proo6,
roop6,
roon4,
3 letter words:
cop7,
pop7,
con5,
coo5,
cor5,
oop5,
orc5,
poo5,
pro5,
roc5,
noo3,
nor3,
ono3,
oon3,
oor3,
roo3,
2 letter words:
op4,
po4,
no2,
on2,
oo2,
or2,