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: ['39', '461', '163', '379', '331', '137', 'g', 'm']
Example Output: 1, 3, 4, 6, 7, 9

Example Input: ['487', '355', 'm', 's', '367', 'n', '203', 'x', 't', 'v', 'd', '251']
Example Output: 0, 1, 2, 3, 4, 5, 6, 7, 8

Example Input: ['s', '349', 'm', 'j', '321', '389', 'y', 'k', 'j', 'h', '345', 'w', 'f', 'g']
Example Output:
1, 2, 3, 4, 5, 8, 9