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: ['247', 's', 'y', 'c', '421']

Output: 1, 2, 4, 7


Input: Consider Input: ['q', 'u']

Output: -1


Input: Consider Input: ['303', '171', 'q', '73', 'w']


Output: 0, 1, 3, 7