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: ['n', 'f', '355', 'e', '113', '131', '443', '275', '249', '487']

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


Question: ['h', 'o', 's', '335', '317', '279', '217', '485']

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


Question: ['w', 'g', '213', 'q', 'x', '331', 'e', '51', '43']

Answer:
1, 2, 3, 4, 5