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: ['401', 'a', '273', 'c', '117', 'x', 'b', 'h', 's', 'v']

Answer: 0, 1, 2, 3, 4, 7


Question: ['173', 'r', 'a', 'n', 'h', 'o', 'w', '135', '321', '59', 'r', '295', 'r']

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


Question: ['41', '241', '315', '199', 'g', '225', 's', 'e', 'd']

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