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: ['487', 'x']

Output: 4, 7, 8


Input: Consider Input: ['v', 'q', '139', '79', '149', '469', 'g', '239', '221', 'v', '77']

Output: 1, 2, 3, 4, 6, 7, 9


Input: Consider Input: ['171', '293', '291']


Output: 1, 2, 3, 7, 9