g9t1 f9t1sp e9t1s d9t1 c9t1sp
rit1sp qit1s pit1 oit1sp nit1s
2rs1s 1rs1 0rs1sp zrs1s yrs1
d1r1 c1r1sp b1r1s a1r1 90r1sp
oar1sp nar1s mar1 lar1sp kar1s