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.

['z', 'z', '273']
2, 3, 7

['397', 'x', 'e', '179', '105', '381']
0, 1, 3, 5, 7, 8, 9

['295', '395', 'v', 'o', '19', '321', '447', 'f', 'v', 'j', 'w', '343', 'x', '345', '323']

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