4ir2 5ir2s 6ir2ss 7ir2 8ir2s

t9r2s u9r2ss v9r2 w9r2s x9r2ss

i0s2ss j0s2 k0s2s l0s2ss m0s2

7qt2 8qt2s 9qt2ss art2 brt2s

whu2s xhu2ss yhu2 zhu2s 0hu2ss