In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.

['305', '447', '125', 'c', '469', '231', 'c', '33', 'r', '69', 'p', 'b', '143']
0, 1, 2, 3, 4, 5, 6, 7, 9

['t', 'u', 'e', 'a', '369', 'e', 'r', 'm']
3, 6, 9

['215', 'u', '95', '421', '99', 'a', '465', 'h', 'm', '253', '371', 'x', 'q']

1, 2, 3, 4, 5, 6, 7, 9