Which group of numbers is listed from least to greatest?
-6, -7, -8, 0, 2
9, 7, 5, -4, -9
-8, -6, -1, 5, 8
-4, 5, -6, 7, -8
-6, -7, -8, 0, 2
9, 7, 5, -4, -9
-8, -6, -1, 5, 8
-4, 5, -6, 7, -8