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: ['k', '373', 'b', '305', 'i', 'n', 'z', 'm', 'c']
Example Output: 0, 3, 5, 7

Example Input: ['t', '493', 's', 'f', '279', 'f']
Example Output: 2, 3, 4, 7, 9

Example Input: ['h', '341', '107', '185', '251', '387', '175', 'i', 'i', 'o', 'f', 'u', '183', 'd']
Example Output:
0, 1, 2, 3, 4, 5, 7, 8