5 letter words:
dukka14,
4 letter words:
dack11,
dock11,
duck11,
cauk10,
douk9,
duka9,
kudo9,
coda7,
douc7,
3 letter words:
kak11,
dak8,
auk7,
koa7,
oak7,
oka7,
ouk7,
cad6,
cod6,
cud6,
doc6,
oca5,
ado4,
duo4,
oda4,
oud4,
udo4,
2 letter words:
ka6,
ko6,
ad3,
da3,
do3,
od3,
ou2,