jn4d in4dr1 hn4dr gn4d fn4dr1
uw3dr1 tw3dr sw3d rw3dr1 qw3dr
552dr 452d 352dr1 252dr 152d
gf2d ff2dr1 ef2dr df2d cf2dr1
ro1dr1 qo1dr po1d oo1dr1 no1dr