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]: ['7', 'n', '443', '131', '189', '187', '261', '451', '449', 'o', 'i', 't', '15']
[A]: 1, 2, 3, 4, 5, 6, 7, 8, 9


[Q]: ['217', 'c', 'h', 'e', 't', '331', '69']
[A]: 1, 2, 3, 6, 7, 9


[Q]: ['141', 'k', '143', 'y', '329', '93', 'd', 'q', '295', '175', '5', 'c', '167', '387', 'e']
[A]:
1, 2, 3, 4, 5, 6, 7, 8, 9