riyn2b qiyn2 piyn oiyn2b niyn2

2rxn2 1rxn 0rxn2b zrxn2 yrxn

d1wn c1wn2b b1wn2 a1wn 90wn2b

oawn2b nawn2 mawn lawn2b kawn2

zjvn2 yjvn xjvn2b wjvn2 vjvn