5 letter words:
ducky15,
bucko13,
4 letter words:
joky18,
jock17,
jouk15,
coky13,
juco13,
yock13,
yuck13,
bock12,
buck12,
judo12,
dock11,
duck11,
body10,
doby10,
buoy9,
kudo9,
3 letter words:
joy13,
job12,
yok10,
yuk10,
kob9,
boy8,
buy8,
coy8,
yob8,
cob7,
cub7,
yod7,
bod6,
bud6,
cod6,
cud6,
doc6,
dub6,
you6,
duo4,
oud4,
udo4,
2 letter words:
jo9,
by7,
oy5,
yo5,
bo4,
do3,
od3,