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: ['y', '281', '313', '21', 'i', '377', 'e', '111', '71', '231', '409', 'k']

Output: 0, 1, 2, 3, 4, 7, 8, 9


Input: Consider Input: ['421', '99', '115', 'x']

Output: 1, 2, 4, 5, 9


Input: Consider Input: ['n', 'h', 'z', 'n']


Output: -1