vsfn wsfnx xsfnx7 ysfn zsfnx

kjgnx ljgnx7 mjgn njgnx ojgnx7

99gnx7 aahn bahnx cahnx7 dahn

y0hn z0hnx 00hnx7 10hn 20hnx

nrinx orinx7 prin qrinx rrinx7