du0v eu0va fu0vab gu0v hu0va

2k1va 3k1vab 4k1v 5k1va 6k1vab

rb2vab sb2v tb2va ub2vab vb2v

g22v h22va i22vab j22v k22va

5s3va 6s3vab 7s3v 8s3va 9s3vab