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: ['i', '325', '117', 'k', 'y', 'x', '49', '349', '477', 'u', '435']

Output: 1, 2, 3, 4, 5, 7, 9


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

Output: 1, 4, 5


Input: Consider Input: ['q', 'p', 'y', 'p', 'k', 'r', '481', 'v']


Output: 1, 4, 8