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: ['7', 'u', 's', '75', 't', 'o']

Output: 5, 7


Input: Consider Input: ['157', 'k', 'o', 'a', '279', 'g']

Output: 1, 2, 5, 7, 9


Input: Consider Input: ['297', 'v', 't']


Output: 2, 7, 9