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]: ['17', 'n', 'c', 'f', 'u', '413', '13', '133', 'q', 'j', '249', '163', '65', '417', '161']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['r', '321', '355', 'w', 'm', 'v', 'a', 'u', '455', 'n', '169']
[EX A]: 1, 2, 3, 4, 5, 6, 9

[EX Q]: ['397', 'l', 'i', '49', 'm']
[EX A]:
3, 4, 7, 9