3or2s1 4or2 5or2s 6or2s1 7or2
sfs2 tfs2s ufs2s1 vfs2 wfs2s
h6s2s i6s2s1 j6s2 k6s2s l6s2s1
6wt2s1 7wt2 8wt2s 9wt2s1 axt2
vnu2 wnu2s xnu2s1 ynu2 znu2s