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.

['333', '207', '13', '339', 'n', '387']
0, 1, 2, 3, 7, 8, 9

['s', '45']
4, 5

['385', 'z', '415', '297', '261', '263', 'a']

1, 2, 3, 4, 5, 6, 7, 8, 9