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]: ['f', '73', 'k', '333', '345', 'e', 'x', 'j']
[EX A]: 3, 4, 5, 7

[EX Q]: ['403', 'j', 'x', '187', '311', 'g', 'z', 'p', '287', 'w', 'k', 'm']
[EX A]: 0, 1, 2, 3, 4, 7, 8

[EX Q]: ['343', '445', '469', 'w', 't', '147', 'r', 'm', 'e', '247', 'd', '287', 'i']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 8, 9