5 letter words:
zanza23,
yapok14,
yapon10,
4 letter words:
zonk17,
zany16,
azan13,
azon13,
poky13,
zona13,
kayo11,
oaky11,
okay11,
yank11,
kapa10,
knap10,
knop10,
pony9,
kana8,
kaon8,
koan8,
napa6,
anoa4,
3 letter words:
zap14,
azo12,
zoa12,
kay10,
yak10,
yok10,
kop9,
pay8,
pya8,
yap8,
koa7,
oak7,
oka7,
any6,
nay6,
yon6,
apo5,
nap5,
pan5,
ana3,
2 letter words:
za11,
ka6,
ay5,
oy5,
ya5,
yo5,
op4,
pa4,
aa2,
an2,
na2,
no2,
on2,