8 letter words:
apograph16,
6 letter words:
paraph13,
grappa11,
5 letter words:
graph11,
aargh9,
appro9,
apgar8,
aroha8,
pargo8,
agora6,
4 letter words:
harp9,
opah9,
agha8,
papa8,
parp8,
prop8,
gapo7,
gorp7,
haar7,
haro7,
hoar7,
hora7,
prog7,
arpa6,
para6,
prao6,
proa6,
agar5,
gora5,
raga5,
3 letter words:
hap8,
hop8,
pah8,
pho8,
poh8,
app7,
hag7,
hog7,
pap7,
pop7,
aah6,
aha6,
gap6,
hao6,
hoa6,
rah6,
rho6,
apo5,
par5,
poa5,
pro5,
rap5,
aga4,
ago4,
gar4,
goa4,
gor4,
rag4,
oar3,
ora3,
2 letter words:
ah5,
ha5,
ho5,
oh5,
op4,
pa4,
po4,
ag3,
go3,
aa2,
ar2,
or2,