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: ['445', '91', '141', '185', 'b', 'k', 'f', 'l', 'i', '229', 't', 'v']

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


Question: ['141', 'm', '139', '197', '321', '265', 'p']

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


Question: ['413', '205', 'i', '383', 'i', 'h', '177', '465', 'z']

Answer:
0, 1, 2, 3, 4, 5, 6, 7, 8