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: ['h', 'l', '43', 'b', 'g', '265', '355', 'y']
Example Output: 2, 3, 4, 5, 6

Example Input: ['s', '291', '257', 'w', '497', '309']
Example Output: 0, 1, 2, 3, 4, 5, 7, 9

Example Input: ['487', 'g', '455', 'r']
Example Output:
4, 5, 7, 8