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: ['v', 'r', '67', '49']

Output: 4, 6, 7, 9


Input: Consider Input: ['p', 'n', 'c', '113', '105', '423', 'k', 'a', '211', 'k', '91', '389']

Output: 0, 1, 2, 3, 4, 5, 8, 9


Input: Consider Input: ['u', 'l', '177']


Output: 1, 7