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: ['233', '35', 'l', 'j', '89', 'r', 't']

Answer: 2, 3, 5, 8, 9


Question: ['143', 'i', '499', 't', '27']

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


Question: ['485', 'o', 't', '455']

Answer:
4, 5, 8