9 letter words:
homograph20,
6 letter words:
morpho13,
oompah13,
hoorah12,
pogrom11,
5 letter words:
morph12,
oomph12,
graph11,
horah11,
ogham11,
gompa10,
gramp10,
omrah10,
promo9,
groma8,
groom8,
pargo8,
4 letter words:
phoh12,
hogh11,
hoha10,
gamp9,
harm9,
harp9,
homa9,
homo9,
hoop9,
mohr9,
opah9,
pooh9,
moop8,
pomo8,
pram8,
prom8,
ramp8,
romp8,
gapo7,
goop7,
gorm7,
gorp7,
gram7,
haro7,
hoar7,
hora7,
marg7,
ogam7,
pogo7,
prog7,
moor6,
mora6,
poor6,
prao6,
proa6,
proo6,
roam6,
roma6,
room6,
roop6,
goor5,
gora5,
3 letter words:
hah9,
hoh9,
ham8,
hap8,
hom8,
hop8,
mho8,
ohm8,
pah8,
pho8,
poh8,
amp7,
hag7,
hog7,
map7,
mop7,
pam7,
pom7,
gam6,
gap6,
hao6,
hoa6,
hoo6,
mag6,
mog6,
oho6,
ooh6,
rah6,
rho6,
apo5,
arm5,
mar5,
moa5,
moo5,
mor5,
oom5,
oop5,
par5,
poa5,
poo5,
pro5,
ram5,
rap5,
rom5,
ago4,
gar4,
goa4,
goo4,
gor4,
rag4,
oar3,
oor3,
ora3,
roo3,
2 letter words:
hm7,
ah5,
ha5,
ho5,
oh5,
am4,
ma4,
mo4,
om4,
op4,
pa4,
po4,
ag3,
go3,
ar2,
oo2,
or2,