2ap4s 3ap4sf 4ap4 5ap4s 6ap4sf

r1p4sf s1p4 t1p4s u1p4sf v1p4

gsq4 hsq4s isq4sf jsq4 ksq4s

5ir4s 6ir4sf 7ir4 8ir4s 9ir4sf

u9r4sf v9r4 w9r4s x9r4sf y9r4