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: ['215', '391', '251', '177']

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


Input: Consider Input: ['b', 'm', '471']

Output: 1, 4, 7


Input: Consider Input: ['307', 'y', 'p', '59', 'e', '25', '85', 'h', '123', 'f', '305']


Output: 0, 1, 2, 3, 5, 7, 8, 9