4 letter words:
howk14,
koph13,
whip12,
whop12,
hoik11,
hoki11,
whio10,
3 letter words:
khi10,
kow10,
wok10,
how9,
kip9,
kop9,
who9,
hip8,
hop8,
phi8,
pho8,
poh8,
pow8,
wop8,
koi7,
oik7,
hoi6,
poi5,
2 letter words:
ki6,
ko6,
hi5,
ho5,
oh5,
ow5,
wo5,
op4,
pi4,
po4,
io2,
oi2,