x2epiv y2ep z2epi 02epiv 12ep
mtfp ntfpi otfpiv ptfp qtfpi
bkgpi ckgpiv dkgp ekgpi fkgpiv
0ahpiv 1ahp 2ahpi 3ahpiv 4ahp
p1hp q1hpi r1hpiv s1hp t1hpi