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: ['c', '155', '61']
Example Output: 1, 5, 6

Example Input: ['k', 'k', 'o', 'c', 'p', '301', 'o']
Example Output: 0, 1, 3

Example Input: ['61', '255', 'l', 'c', '197']
Example Output:
1, 2, 5, 6, 7, 9