yyq2 zyq2n 0yq2nh 1yq2 2yq2n
npr2n opr2nh ppr2 qpr2n rpr2nh
cgs2nh dgs2 egs2n fgs2nh ggs2
16s2 26s2n 36s2nh 46s2 56s2n
qxt2n rxt2nh sxt2 txt2n uxt2nh