5 letter words:
ponzu16,
jupon14,
4 letter words:
jour11,
noup6,
porn6,
pour6,
roup6,
upon6,
ourn4,
3 letter words:
poz14,
jor10,
jun10,
oup5,
pro5,
pun5,
pur5,
upo5,
urp5,
nor3,
nur3,
our3,
run3,
urn3,
2 letter words:
zo11,
jo9,
op4,
po4,
up4,
no2,
nu2,
on2,
or2,
ou2,
un2,
ur2,