4 letter words:
kybo13,
youk11,
yuko11,
body10,
bouk10,
doby10,
buoy9,
douk9,
kudo9,
budo7,
3 letter words:
kow10,
kyu10,
wok10,
yok10,
yuk10,
bok9,
kob9,
yow9,
bow8,
boy8,
buy8,
yob8,
dow7,
doy7,
ouk7,
wud7,
yod7,
bod6,
bud6,
dob6,
dub6,
you6,
duo4,
oud4,
udo4,
2 letter words:
ky9,
by7,
ko6,
ow5,
oy5,
wo5,
yo5,
yu5,
bo4,
ob4,
do3,
od3,
ou2,