d9r7 e9r7o f9r7op g9r7 h9r7o
2zs7o 3zs7op 4zs7 5zs7o 6zs7op
rqt7op sqt7 tqt7o uqt7op vqt7
ghu7 hhu7o ihu7op jhu7 khu7o
57u7o 67u7op 77u7 87u7o 97u7op