4 letter words:
phiz18,
oyez16,
hype12,
hypo12,
hope9,
yipe9,
3 letter words:
zep14,
zip14,
hyp11,
hey9,
hoy9,
yeh9,
hep8,
hip8,
hop8,
peh8,
phi8,
poh8,
pye8,
yep8,
yip8,
hie6,
hoe6,
ope5,
pie5,
poi5,
2 letter words:
eh5,
he5,
hi5,
ho5,
oh5,
oy5,
ye5,
yo5,
op4,
pe4,
pi4,
oe2,
oi2,