7 letter words:
opinion9,
6 letter words:
pionic10,
pinion8,
5 letter words:
knock15,
pinko11,
kinin9,
conin7,
ionic7,
pinon7,
inion5,
onion5,
4 letter words:
kick14,
kink12,
konk12,
kook12,
pick12,
pock12,
conk10,
cook10,
knop10,
nick10,
nock10,
piki10,
pink10,
coop8,
ikon8,
kino8,
nook8,
oink8,
poco8,
cion6,
coin6,
coni6,
conn6,
coon6,
icon6,
pion6,
poon6,
noon4,
3 letter words:
ick9,
kip9,
kop9,
cop7,
ink7,
kin7,
koi7,
pic7,
con5,
coo5,
nip5,
pin5,
poi5,
poo5,
inn3,
ion3,
noo3,
ono3,
2 letter words:
ki6,
op4,
pi4,
in2,
no2,
oi2,
on2,