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.

['205', '347', '423', 'm', '363', 'u', 'g']
0, 2, 3, 4, 5, 6, 7

['u', '343', '167', 'a']
1, 3, 4, 6, 7

['r', '387', 'o', 'y', '379', '275', 'u', 'v', '337', '9', 'i', '19']

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