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: ['y', '439', 't', '29', '425', '289']

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


Question: ['j', 's', '127', 'o', 'e', '227', 'k', 'o']

Answer: 1, 2, 7


Question: ['313', 'a', 'h', '401', 'l', 't', '145', '5', 'k', 'j']

Answer:
0, 1, 3, 4, 5