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]: ['m', '107']
[A]: 0, 1, 7


[Q]: ['g', 'g', 'r', 'g', 'b', 'z', '441', 'z', 'f', '35', 'x', '327', 'l', 'n']
[A]: 1, 2, 3, 4, 5, 7


[Q]: ['313', 'c', '315', '159', '321']
[A]:
1, 2, 3, 5, 9