5 letter words:
orpin7,
poori7,
porno7,
prion7,
4 letter words:
orzo13,
zoon13,
zori13,
pion6,
pirn6,
poon6,
poor6,
porn6,
inro4,
iron4,
noir4,
nori4,
3 letter words:
zip14,
zin12,
zoo12,
nip5,
pin5,
poi5,
poo5,
pro5,
rip5,
ion3,
noo3,
nor3,
ono3,
rin3,
2 letter words:
op4,
pi4,
in2,
no2,
oi2,
on2,
or2,