bt4za at4z 9s4zaa 8s4za 7s4z

m23z l23zaa k23za j23z i23zaa

xb3zaa wb3za vb3z ub3zaa tb3za

8k2za 7k2z 6k2zaa 5k2za 4k2z

ju1z iu1zaa hu1za gu1z fu1zaa