la $t0, string1
li $t0, 67
sb $t0, 0($t0)
li $t0, 72
sb $t0, 1($t0)
li $t0, 85
sb $t0, 2($t0)
li $t0, 80
sb $t0, 3($t0)
li $t0, 73
sb $t0, 4($t0)
li $t0, 32
sb $t0, 5($t0)
li $t0, 66
sb $t0, 6($t0)
li $t0, 79
sb $t0, 7($t0)
li $t0, 76
sb $t0, 8($t0)
li $t0, 85
sb $t0, 9($t0)
li $t0, 68
sb $t0, 10($t0)
li $t0, 79
sb $t0, 11($t0)