4 letter words:
fank11,
kayo11,
oaky11,
okay11,
yank11,
ofay10,
kaon8,
koan8,
fano7,
3 letter words:
kaf10,
kay10,
yak10,
yok10,
fay9,
foy9,
koa7,
kon7,
oak7,
oka7,
any6,
fan6,
fon6,
nay6,
noy6,
oaf6,
ony6,
yon6,
2 letter words:
ky9,
fy8,
ka6,
ko6,
ay5,
fa5,
ny5,
of5,
oy5,
ya5,
yo5,
an2,
na2,
no2,
on2,