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: ['v', '351', 's', 'f', 'd', '137', '11', '355', '345', 'm', 's', '165', '97', '225']

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


Question: ['49', 'r', '179', 'h', 'q', 'h', 'w', '187', '427', 'x', 'r']

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


Question: ['g', '243', '381']

Answer:
1, 2, 3, 4, 8