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: ['223', '71']
Example Output: 1, 2, 3, 7

Example Input: ['u', '465', '129', 'o']
Example Output: 1, 2, 4, 5, 6, 9

Example Input: ['169', '43']
Example Output:
1, 3, 4, 6, 9