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.

Input: Consider Input: ['379', '485', '415', '37', '221', '125', '245', '87', 'a']

Output: 1, 2, 3, 4, 5, 7, 8, 9


Input: Consider Input: ['219', '127', '449', 'u', 'g']

Output: 1, 2, 4, 7, 9


Input: Consider Input: ['313', 'a', '57', 'e', 'o', 'f', 't', 'x', '471', 'd', '207', '423', '251']


Output: 0, 1, 2, 3, 4, 5, 7