6 letter words:
inpour8,
5 letter words:
kukri13,
pinko11,
prink11,
korun9,
orpin7,
prion7,
purin7,
unrip7,
4 letter words:
kink12,
kirk12,
konk12,
knop10,
pink10,
pork10,
punk10,
ikon8,
kino8,
kirn8,
knur8,
oink8,
rink8,
pion6,
pirn6,
porn6,
pour6,
puri6,
roup6,
upon6,
inro4,
iron4,
noir4,
nori4,
ruin4,
3 letter words:
kip9,
kop9,
ink7,
irk7,
kin7,
kir7,
koi7,
kor7,
nip5,
pin5,
piu5,
poi5,
pro5,
pun5,
pur5,
rip5,
upo5,
urp5,
ion3,
nor3,
our3,
rin3,
run3,
urn3,
2 letter words:
ki6,
op4,
pi4,
up4,
in2,
no2,
nu2,
oi2,
on2,
or2,
un2,