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


[Q]: ['379', 'w', 'b', '385', '429', '3', '297', '297', 't', 'z', 'i', '207', 'e', 'a']
[A]: 0, 2, 3, 4, 5, 7, 8, 9


[Q]: ['k', 'z', 'q', 'u', '79', '147', 'i', '389']
[A]:
1, 3, 4, 7, 8, 9