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: ['j', '463', 'z', '35', 'w', '191', '333', 'a']

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


Question: ['475', 'j', '19', 'j', '325']

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


Question: ['l', '497', 'i', '493']

Answer:
3, 4, 7, 9