9 letter words:
monophony19,
6 letter words:
nympho16,
phonon11,
5 letter words:
nymph15,
phony13,
oomph12,
moony10,
phono10,
4 letter words:
homy12,
hymn12,
hypo12,
mopy11,
homo9,
hoop9,
mony9,
phon9,
pony9,
pooh9,
pomo8,
mono6,
moon6,
poon6,
noon4,
3 letter words:
hyp11,
hoy9,
hop8,
mho8,
ohm8,
poh8,
yom8,
mop7,
pom7,
hon6,
noh6,
oho6,
ooh6,
yon6,
mon5,
moo5,
nom5,
poo5,
noo3,
ono3,
2 letter words:
hm7,
my7,
ho5,
oh5,
oy5,
yo5,
mo4,
om4,
op4,
no2,
on2,
