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: ['87', '139', 'y', '129', '255', '227', '103', 'j']

Answer: 0, 1, 2, 3, 5, 7, 8, 9


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

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


Question: ['g', '7', 'c', '165', '75', '199', 'c', '443', 'x', '237', '261']

Answer:
1, 2, 3, 4, 5, 6, 7, 9