9 letter words:
homograph20,
6 letter words:
morpho13,
oompah13,
hoorah12,
pogrom11,
5 letter words:
morph12,
oomph12,
graph11,
horah11,
ogham11,
gramp10,
promo9,
groom8,
pargo8,
4 letter words:
gamp9,
harm9,
harp9,
homo9,
hoop9,
opah9,
pooh9,
pomo8,
pram8,
prom8,
ramp8,
romp8,
goop7,
gorm7,
gorp7,
gram7,
hoar7,
hora7,
ogam7,
prog7,
moor6,
mora6,
poor6,
prao6,
proa6,
roam6,
room6,
3 letter words:
hah9,
ham8,
hap8,
hop8,
mho8,
ohm8,
pah8,
poh8,
amp7,
hag7,
hog7,
map7,
mop7,
pam7,
pom7,
gam6,
gap6,
hao6,
mag6,
mog6,
oho6,
ooh6,
rah6,
rho6,
apo5,
arm5,
mar5,
moa5,
moo5,
mor5,
par5,
poo5,
pro5,
ram5,
rap5,
rom5,
ago4,
gar4,
goa4,
goo4,
gor4,
rag4,
oar3,
ora3,
2 letter words:
hm7,
ah5,
ha5,
ho5,
oh5,
am4,
ma4,
mo4,
om4,
op4,
pa4,
ag3,
go3,
ar2,
or2,