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.
--------
Question: ['213', '51', '31', 'n', '89', '113', '315', '195', 'd', 'x', '105', '217', '295']

Answer: 0, 1, 2, 3, 5, 7, 8, 9


Question: ['219', 'v', '295', '291', 'n', 'a', '133', 'a', 'y', 'i', 'e', '235', '461']

Answer: 1, 2, 3, 4, 5, 6, 9


Question: ['183', 'f', '65', '207']

Answer:
0, 1, 2, 3, 5, 6, 7, 8