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: ['149', 'o', '237', 't', 'k', 'w']

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


Input: Consider Input: ['159', '3', 'f', 'k', 'o', 'm']

Output: 1, 3, 5, 9


Input: Consider Input: ['71', '173', '371', 'a', '117', '19', '63']


Output: 1, 3, 6, 7, 9