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.

Example Input: ['i', '249', '287']
Example Output: 2, 4, 7, 8, 9

Example Input: ['h', 't', 'h', 'i', 'c', '441', '117', '463', 'r']
Example Output: 1, 3, 4, 6, 7

Example Input: ['o', 'z', '55']
Example Output:
5