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: ['z', 'c', 'n', '351', 'f', '239', '71', '351', 'b', '1', '321', 'h', '163']

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


Question: ['o', 'k', 'i']

Answer: -1


Question: ['191', 'u', '179', '485', 's']

Answer:
1, 4, 5, 7, 8, 9