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: ['85', '101', 'j', 'g', 'o', 'f', 'w', 'o', 'm', '45', 'e', 'z']

Answer: 0, 1, 4, 5, 8


Question: ['43', 'f', '449', 't', 'z', 'q', '259', 's', 'n', 'h', '123', 'z']

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


Question: ['469', '185', '121', '183', '479', '95', 'm', '79', '257']

Answer:
1, 2, 3, 4, 5, 6, 7, 8, 9