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: ['u', '73', 'x', 'f', 'e', '187', 'x', 'i', '215', '1', 'z', '129', '89', 'f', 'i']

A: 1, 2, 3, 5, 7, 8, 9
****
Q: ['z', 'e', '75', '379', 'c', 'f', 'g', '381', 'l', 'u', '197', '489']

A: 1, 3, 4, 5, 7, 8, 9
****
Q: ['417', '393', 'q', '45', '165', 'a', '17', '479', '201']

A:
0, 1, 2, 3, 4, 5, 6, 7, 9
****