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: ['c', 'u', 'b', '347', '191']

Output: 1, 3, 4, 7, 9


Input: Consider Input: ['j', 'w', 'h', 'r', 'w', 'h', 'd', 'f', '81', 'g', '145']

Output: 1, 4, 5, 8


Input: Consider Input: ['499', '493', 'i', '87']


Output: 3, 4, 7, 8, 9