9 letter words:
porphyrin19,
6 letter words:
priory11,
5 letter words:
hippy15,
hoppy15,
phony13,
hippo12,
nippy12,
horny11,
porny10,
irony8,
rhino8,
orpin7,
prion7,
prior7,
4 letter words:
hypo12,
pipy11,
phon9,
piny9,
pony9,
pyin9,
pyro9,
ropy9,
prop8,
horn7,
yirr7,
yoni7,
pion6,
pirn6,
porn6,
inro4,
iron4,
noir4,
nori4,
3 letter words:
hyp11,
hoy9,
hip8,
hop8,
phi8,
poh8,
pry8,
yip8,
pip7,
pop7,
hin6,
hon6,
noh6,
rho6,
yin6,
yon6,
nip5,
pin5,
poi5,
pro5,
rip5,
ion3,
nor3,
rin3,
2 letter words:
hi5,
ho5,
oh5,
oy5,
yo5,
op4,
pi4,
in2,
no2,
oi2,
on2,
or2,