10 letter words:
hippophobe24,
5 letter words:
hippo12,
4 letter words:
phoh12,
boho9,
booh9,
hobo9,
hoop9,
hope9,
pooh9,
boep8,
oppo8,
pepo8,
pipe8,
poep8,
poop8,
pope8,
oboe6,
3 letter words:
heh9,
hoh9,
boh8,
hep8,
hip8,
hob8,
hop8,
peh8,
phi8,
pho8,
poh8,
bop7,
pep7,
pip7,
pop7,
hie6,
hoe6,
hoi6,
hoo6,
oho6,
ooh6,
bio5,
boi5,
boo5,
obe5,
obi5,
obo5,
oop5,
ope5,
pie5,
poi5,
poo5,
2 letter words:
eh5,
he5,
hi5,
ho5,
oh5,
be4,
bi4,
bo4,
ob4,
op4,
pe4,
pi4,
po4,
io2,
oe2,
oi2,
oo2,