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: ['381', 'l', 'z', '323', 'x', '247', '11']

Answer: 1, 2, 3, 4, 7, 8


Question: ['447', '77', '337', 'i', '257', '477', 'l', 'm', '357', 'k', '293', '425', 's']

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


Question: ['199', '391', '83', 'z', 'l', 's', '327']

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