met2 let23v ket23 jet2 iet23v
xns23v wns23 vns2 uns23v tns23
8wr23 7wr2 6wr23v 5wr23 4wr2
j6q2 i6q23v h6q23 g6q2 f6q23v
ufq23v tfq23 sfq2 rfq23v qfq23