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]: ['487', '355', 'm', 's', '367', 'n', '203', 'x', 't', 'v', 'd', '251']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 8


[Q]: ['483', 'e', '57', 'a', '101', 'f', 'z', 'q', '115', 'x', '3', '305', '435', '45']
[A]: 0, 1, 3, 4, 5, 7, 8


[Q]: ['d', 'h', 'e', '17', '179', '275', '173', 'g', '321']
[A]:
1, 2, 3, 5, 7, 9