4 letter words:
caky13,
coky13,
yack13,
yock13,
back12,
bock12,
kayo11,
oaky11,
okay11,
3 letter words:
kay10,
yak10,
yok10,
kab9,
kob9,
aby8,
bay8,
boy8,
cay8,
coy8,
yob8,
cab7,
cob7,
koa7,
oak7,
oka7,
abo5,
boa5,
oba5,
oca5,
2 letter words:
by7,
ka6,
ay5,
oy5,
ya5,
yo5,
ab4,
ba4,
bo4,