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.

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

[EX Q]: ['395', 'p', '373']
[EX A]: 3, 5, 7, 9

[EX Q]: ['147', 'j', 'c', 'h', 'g', 'r', 'l', '143', '365', '99', 'm']
[EX A]:
1, 3, 4, 5, 6, 7, 9