7bu9 6bu9sr 5bu9s 4bu9 3bu9sr
ilt9sr hlt9s glt9 flt9sr elt9s
tus9s sus9 rus9sr qus9s pus9
43r9 33r9sr 23r9s 13r9 03r9sr
fdr9sr edr9s ddr9 cdr9sr bdr9s