zpon0 0pon01 1pon 2pon0 3pon01

ogpn01 pgpn qgpn0 rgpn01 sgpn

d7pn e7pn0 f7pn01 g7pn h7pn0

2xqn0 3xqn01 4xqn 5xqn0 6xqn01

rorn01 sorn torn0 uorn01 vorn