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.

[Q]: ['h', '281', '113', '119', 'j', '245', 'i', '121', '439']
[A]: 1, 2, 3, 4, 5, 8, 9


[Q]: ['c', '471', 'l', 'z', '23', 'c', '43', 'o', '175', 'w', 'c', 'p', '431']
[A]: 1, 2, 3, 4, 5, 7


[Q]: ['b', '371', '93', '433']
[A]:
1, 3, 4, 7, 9