9 letter words:
barograph17,
6 letter words:
barhop13,
harbor11,
aarrgh10,
arroba8,
5 letter words:
graph11,
abhor10,
aargh9,
pargo8,
arbor7,
agora6,
4 letter words:
harp9,
opah9,
agha8,
brag7,
garb7,
gorp7,
grab7,
haar7,
hoar7,
hora7,
prog7,
boar6,
bora6,
para6,
parr6,
prao6,
proa6,
agar5,
raga5,
orra4,
roar4,
3 letter words:
bah8,
hap8,
hob8,
hop8,
pah8,
poh8,
bap7,
bop7,
hag7,
hog7,
aah6,
aha6,
bag6,
bog6,
gab6,
gap6,
gob6,
hao6,
rah6,
rho6,
aba5,
abo5,
apo5,
arb5,
baa5,
bar5,
boa5,
bra5,
bro5,
brr5,
oba5,
orb5,
par5,
pro5,
rap5,
rob5,
aga4,
ago4,
gar4,
goa4,
gor4,
rag4,
oar3,
ora3,
2 letter words:
ah5,
ha5,
ho5,
oh5,
ab4,
ba4,
bo4,
op4,
pa4,
ag3,
go3,
aa2,
ar2,
or2,