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: ['n', 'm', 'u', '267']

Output: 2, 6, 7


Input: Consider Input: ['e', 's', '153', 'e', '377', 'c', 'v', '437']

Output: 1, 3, 4, 5, 7


Input: Consider Input: ['457', '323', 'a']


Output: 2, 3, 4, 5, 7