7 letter words:
phoenix19,
6 letter words:
phenix18,
5 letter words:
xenon12,
phone10,
opine7,
penni7,
pinon7,
4 letter words:
expo13,
exon11,
nixe11,
oxen11,
hope9,
phon9,
hone7,
nope6,
open6,
pein6,
peon6,
pine6,
pion6,
pone6,
neon4,
nine4,
none4,
3 letter words:
hex13,
pix12,
pox12,
nix10,
hep8,
hip8,
hop8,
peh8,
phi8,
poh8,
hen6,
hie6,
hin6,
hoe6,
hon6,
noh6,
nip5,
ope5,
pen5,
pie5,
pin5,
poi5,
eon3,
inn3,
ion3,
one3,
2 letter words:
ex9,
ox9,
xi9,
eh5,
he5,
hi5,
ho5,
oh5,
op4,
pe4,
pi4,
en2,
in2,
ne2,
no2,
oe2,
oi2,
on2,