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: ['k', 'b', 'k', 'l', '441', 'b', '115', 'd', 'b', 'r', '115', 'k', 'a']

Output: 1, 4, 5


Input: Consider Input: ['o', 'f', 'x', '239']

Output: 2, 3, 9


Input: Consider Input: ['t', '437', 'o', 'w', 'x', 'e', 'r', 'r', '149', 'd', '391']


Output: 1, 3, 4, 7, 9