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]: ['493', '241', '239', 'g', 'q', '319', '49', '245']
[A]: 1, 2, 3, 4, 5, 9


[Q]: ['p', '121', '55', '205', 'n', '393', 'l', 's', 'k', 'c', 'n']
[A]: 0, 1, 2, 3, 5, 9


[Q]: ['n', 'l', '89', 'u', '189', 'x', 'a', 'i', '411', '455', 'g', 'q', '35', '431', '285']
[A]:
1, 2, 3, 4, 5, 8, 9