7 letter words:
princox18,
5 letter words:
orcin7,
orpin7,
prion7,
4 letter words:
crop8,
cion6,
coin6,
coir6,
coni6,
corn6,
icon6,
pion6,
pirn6,
porn6,
inro4,
iron4,
noir4,
nori4,
3 letter words:
cox12,
pix12,
pox12,
nix10,
cop7,
pic7,
con5,
cor5,
nip5,
orc5,
pin5,
poi5,
pro5,
rip5,
roc5,
ion3,
nor3,
rin3,
2 letter words:
ox9,
xi9,
op4,
pi4,
in2,
no2,
oi2,
on2,
or2,