eks2w fks2w3 gks2 hks2w iks2w3

3at2w3 4at2 5at2w 6at2w3 7at2

s1t2 t1t2w u1t2w3 v1t2 w1t2w

hsu2w isu2w3 jsu2 ksu2w lsu2w3

6iv2w3 7iv2 8iv2w 9iv2w3 ajv2