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: ['341', 'e', 'j', '385', 'o', 'z', 'z', '187', 'm', '73', 'u', '413']

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


Question: ['c', '317', 'z', 'z', 'h', '227', '439', 'x', 'f']

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


Question: ['i', 'l', 'i', '151', 'f', 'e', 'k', 't', 'x', '143', '481', '295', 'n']

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