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]: ['131', '483', 'k', '387', '451', 'j']
[EX A]: 1, 3, 4, 5, 7, 8

[EX Q]: ['479', '381', '61', '307', 'w', 'd', '493', 'q', 'h', '373', '217', 't', '57', 'j']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['187', '143', 'w', 'x', '245', 'x', '87']
[EX A]:
1, 2, 3, 4, 5, 7, 8