au4s bu4sc cu4sck du4s eu4sc

zk5sc 0k5sck 1k5s 2k5sc 3k5sck

ob6sck pb6s qb6sc rb6sck sb6s

d26s e26sc f26sck g26s h26sc

2s7sc 3s7sck 4s7s 5s7sc 6s7sck