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: ['205', '107', 'z']

Answer: 0, 1, 2, 5, 7


Question: ['143', 'i', '499', 't', '27']

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


Question: ['q', 'c', 'w', '115', '25', '137', 'f', 'v', 'r', '119', 'z', '145', 'q', 'h', '67']

Answer:
1, 2, 3, 4, 5, 6, 7, 9