10 letter words:
omophorion17,
8 letter words:
oophoron13,
7 letter words:
morphin14,
6 letter words:
morpho13,
hoopoo11,
inhoop11,
hooroo9,
morion8,
5 letter words:
morph12,
oomph12,
phono10,
primo9,
promo9,
honor8,
rhino8,
minor7,
moron7,
nomoi7,
orpin7,
poori7,
porno7,
prion7,
proin7,
4 letter words:
homo9,
hoop9,
mohr9,
phon9,
pooh9,
moop8,
pomo8,
prim8,
prom8,
romp8,
hoon7,
hori7,
horn7,
mino6,
miro6,
mono6,
mooi6,
moon6,
moor6,
morn6,
noop6,
norm6,
pion6,
pirn6,
poon6,
poor6,
porn6,
proo6,
room6,
roop6,
inro4,
iron4,
noir4,
nori4,
roin4,
roon4,
3 letter words:
him8,
hip8,
hom8,
hop8,
mho8,
ohm8,
phi8,
pho8,
poh8,
imp7,
mop7,
pom7,
hin6,
hoi6,
hon6,
hoo6,
noh6,
oho6,
ooh6,
rho6,
mir5,
moi5,
mon5,
moo5,
mor5,
nim5,
nip5,
nom5,
oom5,
oop5,
pin5,
pir5,
poi5,
poo5,
pro5,
rim5,
rip5,
rom5,
ion3,
noo3,
nor3,
ono3,
oon3,
oor3,
rin3,
roo3,
2 letter words:
hm7,
hi5,
ho5,
oh5,
mi4,
mo4,
om4,
op4,
pi4,
po4,
in2,
io2,
no2,
oi2,
on2,
oo2,
or2,