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: ['5', 'y', 'l', '311', '269', 'f', 'm', '25', 'j', 's', 't', '283', 'p']

A: 1, 2, 3, 5, 6, 8, 9
****
Q: ['y', 'v', '311', 'f', '273']

A: 1, 2, 3, 7
****
Q: ['303', '147', '495', '75', 'd', 'c', 'p', 'g', '69', 's']

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