mspn nspn2 ospn2f pspn qspn2
bjqn2 cjqn2f djqn ejqn2 fjqn2f
09qn2f 19qn 29qn2 39qn2f 49qn
p0rn q0rn2 r0rn2f s0rn t0rn2
ersn2 frsn2f grsn hrsn2 irsn2f