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.

[Q]: ['437', 'e', 'b', 'f', '203', 't', '5', '461', 'e', '367', '391', '81']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9


[Q]: ['353', '195', '297', '175', 'u', 'p', 'r', 'l']
[A]: 1, 2, 3, 5, 7, 9


[Q]: ['j', 'e', 'k', '63', 'k', '333', 's', 'o', 'm', 'c', 'u', '261', 't', '345']
[A]:
1, 2, 3, 4, 5, 6


