9 letter words:
inhooping15,
7 letter words:
hooping13,
phoning13,
poohing13,
opining10,
pioning10,
opinion9,
6 letter words:
gonoph12,
hoping12,
inhoop11,
phonon11,
honing10,
oohing10,
ooping9,
pining9,
pooing9,
pinion8,
gonion7,
5 letter words:
phono10,
hoing9,
hongi9,
ohing9,
gipon8,
oping8,
piing8,
pingo8,
pongo8,
pinon7,
inion5,
onion5,
4 letter words:
hoop9,
phon9,
pooh9,
hing8,
hong8,
nigh8,
goop7,
hioi7,
hoon7,
ping7,
pogo7,
pong7,
noop6,
pion6,
poon6,
ginn5,
goon5,
ingo5,
nong5,
noni4,
noon4,
3 letter words:
hip8,
hop8,
phi8,
pho8,
poh8,
ghi7,
hog7,
gip6,
hin6,
hoi6,
hon6,
hoo6,
noh6,
oho6,
ooh6,
pig6,
nip5,
oop5,
pin5,
poi5,
poo5,
gin4,
gio4,
gon4,
goo4,
nog4,
inn3,
ion3,
non3,
noo3,
ono3,
oon3,
2 letter words:
hi5,
ho5,
oh5,
op4,
pi4,
po4,
gi3,
go3,
in2,
io2,
no2,
oi2,
on2,
oo2,