7 letter words:
whoopie15,
5 letter words:
whoop13,
4 letter words:
phew12,
whip12,
whop12,
howe10,
hoop9,
hope9,
pooh9,
wipe9,
3 letter words:
hew9,
how9,
who9,
hep8,
hip8,
hop8,
peh8,
pew8,
phi8,
poh8,
pow8,
wop8,
hie6,
hoe6,
oho6,
ooh6,
owe6,
woe6,
woo6,
ope5,
pie5,
poi5,
poo5,
2 letter words:
eh5,
he5,
hi5,
ho5,
oh5,
ow5,
we5,
wo5,
op4,
pe4,
pi4,
oe2,
oi2,