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: ['m', 'n', '481', 'a', '343', '19', 'l', 'l', '477', '71']
Example Output: 1, 3, 4, 7, 8, 9

Example Input: ['339', '473', '485']
Example Output: 3, 4, 5, 7, 8, 9

Example Input: ['175', 'c', 'c']
Example Output:
1, 5, 7