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]: ['41', 'o', 'm', 'h', 's', 't', '407', '445', '371', '93', '291', '457', 'r', '391', 'a']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['93', 'w', '357', 'z', '293', '83', 't', 'w', '11']
[EX A]: 1, 2, 3, 5, 7, 8, 9

[EX Q]: ['141', 'a', '283', '387', 'v', 'g', '261', '1', '121', 'j', '421', '123', '477']
[EX A]:
1, 2, 3, 4, 6, 7, 8