4 letter words:
dack11,
dock11,
conk10,
nock10,
dank9,
kond9,
kaon8,
koan8,
coda7,
cond7,
dona5,
3 letter words:
dak8,
koa7,
kon7,
oak7,
oka7,
cad6,
cod6,
doc6,
can5,
con5,
oca5,
ado4,
and4,
dan4,
don4,
nod4,
oda4,
2 letter words:
ka6,
ko6,
ad3,
da3,
do3,
od3,
an2,
na2,
no2,
on2,