vsfn wsfnr xsfnr2 ysfn zsfnr
kjgnr ljgnr2 mjgn njgnr ojgnr2
99gnr2 aahn bahnr cahnr2 dahn
y0hn z0hnr 00hnr2 10hn 20hnr
nrinr orinr2 prin qrinr rrinr2