4 letter words:
kudo9,
wood8,
pood7,
updo7,
3 letter words:
wok10,
kip9,
kop9,
kid8,
pow8,
wop8,
dow7,
koi7,
wud7,
dip6,
dup6,
pod6,
pud6,
woo6,
piu5,
poi5,
poo5,
upo5,
dui4,
duo4,
oud4,
udo4,
2 letter words:
ki6,
ow5,
wo5,
op4,
pi4,
up4,
do3,
id3,
od3,
oi2,