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: ['g', 't', '31', 't', 's']
Example Output: 1, 3

Example Input: ['157', 'k', 'o', 'a', '279', 'g']
Example Output: 1, 2, 5, 7, 9

Example Input: ['207', '491', 'i', 'n', '209', '347', '203', 'd', 'b', '469', '197', '85', 'b', 'u', 'i']
Example Output:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9