4 letter words:
hope9,
boep8,
3 letter words:
boh8,
hep8,
hip8,
hob8,
hop8,
peh8,
phi8,
pho8,
poh8,
bop7,
hie6,
hoe6,
hoi6,
bio5,
boi5,
obe5,
obi5,
ope5,
pie5,
poi5,
2 letter words:
eh5,
he5,
hi5,
ho5,
oh5,
be4,
bi4,
bo4,
ob4,
op4,
pe4,
pi4,
po4,
io2,
oe2,
oi2,