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', 'o', 'j', 'q', '283', '229', '271', 'r', 'n', '481', '101', '477', 'w']
[EX A]: 0, 1, 2, 3, 4, 7, 8, 9

[EX Q]: ['k', '107', '333', '317', 'm', 'w', 'g', 'f']
[EX A]: 0, 1, 3, 7

[EX Q]: ['477', '5', '195', '387', 'e', '81', '395', '275', 'y', 'k', '467', '289', '269', '375', '55']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 8, 9