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]: ['101', '473', '25', 'i', '117']
[EX A]: 0, 1, 2, 3, 4, 5, 7

[EX Q]: ['l', '283', '171', 'q', '465', 'u', '325', 'd', 'j', '349', '351', '229', 'z']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['w', 'n', '431', '81', 'v', '335']
[EX A]:
1, 3, 4, 5, 8