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: ['215', '391', '251', '177']
Example Output: 1, 2, 3, 5, 7, 9

Example Input: ['177', '17', '205', '25', 'n', '359', 'b', 'f', '181', 'k', '169', '483', '473', 'h']
Example Output: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Example Input: ['43', '479', '317', 'w', '475', '255', '3', 'x']
Example Output:
1, 2, 3, 4, 5, 7, 9