8 letter words:
apophony18,
6 letter words:
aphony14,
5 letter words:
happy15,
hoppy15,
phony13,
nappy12,
yahoo11,
phono10,
yapon10,
apoop9,
napoo7,
4 letter words:
hypo12,
yapp11,
ahoy10,
hoya10,
hoop9,
opah9,
phon9,
pony9,
pooh9,
yoop9,
oppo8,
poop8,
hoon7,
noah7,
noop6,
poon6,
3 letter words:
hyp11,
hay9,
hoy9,
yah9,
hap8,
hop8,
pah8,
pay8,
pho8,
poh8,
pya8,
yap8,
app7,
pap7,
pop7,
any6,
han6,
hao6,
hoa6,
hon6,
hoo6,
nah6,
nay6,
noh6,
noy6,
oho6,
ony6,
ooh6,
yon6,
apo5,
nap5,
oop5,
pan5,
poa5,
poo5,
noo3,
ono3,
oon3,
2 letter words:
ah5,
ay5,
ha5,
ho5,
ny5,
oh5,
oy5,
ya5,
yo5,
op4,
pa4,
po4,
an2,
na2,
no2,
on2,
oo2,