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: ['153', 'b', 'w', 'y', 'k', '385', '221', '153', 'b', '123', 'd', '151', 'y']

Answer: 1, 2, 3, 5, 8


Question: ['229', '369', 'c', '7', 'f', 'h', '455', 't', '249', 's']

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


Question: ['q', '391', '251', '267', '271', '131', '393', '55']

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