4 letter words:
jock17,
jouk15,
koji15,
juco13,
judo12,
dick11,
dock11,
duck11,
douk9,
kudo9,
douc7,
duci7,
odic7,
3 letter words:
jud11,
ick9,
kid8,
koi7,
oik7,
ouk7,
cid6,
cod6,
cud6,
doc6,
dui4,
duo4,
oud4,
udo4,
2 letter words:
jo9,
ki6,
ko6,
di3,
do3,
id3,
od3,
io2,
oi2,
ou2,