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]: ['39', '461', '163', '379', '331', '137', 'g', 'm']
[A]: 1, 3, 4, 6, 7, 9


[Q]: ['v', '467', 'm', '23', '479', '49', 'k', 'u', 'l', '119']
[A]: 1, 2, 3, 4, 6, 7, 9


[Q]: ['339', '283', 'c', 'm', 'b', '41', 'f', 'i', '291', 'f', 'k', 'v', '465', '309', '233']
[A]:
0, 1, 2, 3, 4, 5, 6, 8, 9