eu1rl fu1rl2 gu1r hu1rl iu1rl2

3k2rl2 4k2r 5k2rl 6k2rl2 7k2r

sb3r tb3rl ub3rl2 vb3r wb3rl

h23rl i23rl2 j23r k23rl l23rl2

6s4rl2 7s4r 8s4rl 9s4rl2 at4r