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.
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Question: ['233', '189', '217', 's', '221', 'v', 'c', 'x', '455']

Answer: 1, 2, 3, 4, 5, 7, 8, 9


Question: ['o', 'f', 'm', 'w', 'w', 'y', 'b']

Answer: -1


Question: ['17', 'u', '149', '447', 'i', '15', '215', '409', '87', 'r', '413', '337', 'p', '49']

Answer:
0, 1, 2, 3, 4, 5, 7, 8, 9