tftp7 sftp rftp78 qftp7 pftp

4osp 3osp78 2osp7 1osp 0osp78

fyrp78 eyrp7 dyrp cyrp78 byrp7

q7qp7 p7qp o7qp78 n7qp7 m7qp

1gqp 0gqp78 zgqp7 ygqp xgqp78