6 letter words:
unopen8,
5 letter words:
ponzu16,
jupon14,
unpen7,
4 letter words:
jupe13,
zone13,
jeon11,
nope6,
noup6,
open6,
peon6,
pone6,
upon6,
neon4,
none4,
noun4,
3 letter words:
poz14,
zep14,
jeu10,
joe10,
jun10,
nep5,
ope5,
oup5,
pen5,
pun5,
upo5,
eon3,
non3,
nun3,
one3,
2 letter words:
zo11,
jo9,
op4,
pe4,
po4,
up4,
en2,
ne2,
no2,
nu2,
oe2,
on2,
ou2,
un2,