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]: ['l', 'z', '453', '361', 'p', 'c', 'n', '77', '113', '261', 'g']
[EX A]: 1, 2, 3, 4, 5, 6, 7

[EX Q]: ['341', 'w', 'l', '443', 'w', '161', 'd', '167', '185']
[EX A]:
1, 3, 4, 5, 6, 7, 8