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

Output: 1, 3, 4, 7, 9


Input: Consider Input: ['w', 'b', 'w', 'm', 'j', 'd', 'q', '47', '221', 'b', '201', 'f']

Output: 0, 1, 2, 4, 7


Input: Consider Input: ['r', 'n']


Output: -1