9 letter words:
mothproof19,
7 letter words:
hoofrot13,
rooftop12,
6 letter words:
morpho13,
forhoo12,
5 letter words:
morph12,
oomph12,
forth11,
froth11,
photo10,
proof10,
thorp10,
promo9,
tromp9,
ortho8,
thoro8,
motor7,
poort7,
potoo7,
troop7,
4 letter words:
hoof10,
form9,
from9,
homo9,
hoop9,
mofo9,
mohr9,
moth9,
phot9,
poof9,
pooh9,
prof9,
toph9,
moop8,
pomo8,
prom8,
romp8,
foot7,
fort7,
hoot7,
roof7,
thro7,
toho7,
moor6,
moot6,
mort6,
poor6,
poot6,
port6,
proo6,
room6,
roop6,
tomo6,
toom6,
topo6,
trop6,
root4,
roto4,
toro4,
3 letter words:
foh9,
fop8,
hom8,
hop8,
mho8,
ohm8,
pho8,
pht8,
poh8,
mop7,
pom7,
for6,
fro6,
hoo6,
hot6,
oft6,
oho6,
oof6,
ooh6,
orf6,
rho6,
tho6,
moo5,
mor5,
mot5,
oom5,
oop5,
opt5,
poo5,
pot5,
pro5,
rom5,
tom5,
top5,
oor3,
oot3,
ort3,
roo3,
rot3,
too3,
tor3,
2 letter words:
hm7,
ho5,
of5,
oh5,
mo4,
om4,
op4,
po4,
oo2,
or2,
to2,