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: ['269', 'f', '321', '175', '15', 'n', 'b', 'z', '53', 'p', 'x', '457', 'q', 'b']

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


Question: ['71', 't', '93', '301', 'g', '447', '373', 'd', '133', 'r']

Answer: 0, 1, 3, 4, 7, 9


Question: ['493', 'b', '33', '493', '83', '359', 'g']

Answer:
3, 4, 5, 8, 9