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: ['t', 'r', 'z']

Output: -1


Input: Consider Input: ['247', 'g', 'q']


Output: 2, 4, 7