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]: ['a', 'n', '423', 'y', 'y', 'u', '55', 'y', '295', '73', 't', 'p']
[A]: 2, 3, 4, 5, 7, 9


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


[Q]: ['p', 'n', 'c', '113', '105', '423', 'k', 'a', '211', 'k', '91', '389']
[A]:
0, 1, 2, 3, 4, 5, 8, 9