9 letter words:
opinioned12,
8 letter words:
pinioned11,
7 letter words:
opinion9,
6 letter words:
opined9,
opioid9,
pinned9,
ponied9,
pinion8,
iodine7,
ionone6,
5 letter words:
pined8,
poind8,
pooed8,
opine7,
penni7,
pinon7,
donne6,
indie6,
inned6,
iodin6,
odeon6,
inion5,
onion5,
4 letter words:
dope7,
oped7,
pend7,
pied7,
pond7,
pood7,
nope6,
open6,
pein6,
peon6,
pine6,
pion6,
pone6,
poon6,
deni5,
dine5,
dino5,
done5,
nide5,
nidi5,
node5,
nodi5,
neon4,
nine4,
none4,
noon4,
3 letter words:
dip6,
ped6,
pod6,
nip5,
ope5,
pen5,
pie5,
pin5,
poi5,
poo5,
den4,
die4,
din4,
doe4,
don4,
end4,
nod4,
ode4,
eon3,
inn3,
ion3,
noo3,
one3,
ono3,
2 letter words:
op4,
pe4,
pi4,
de3,
do3,
ed3,
id3,
od3,
en2,
in2,
ne2,
no2,
oe2,
oi2,
on2,
