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]: ['v', 'n', '303', '355', 'n', '205', '393', '239', '239', 'm', '123', '487']
[A]: 0, 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['u', '157', '63', '411', 'x', 'c', 'k', 'z', 'i', '279', '311', '431']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['329', '67']
[A]:
2, 3, 6, 7, 9