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: ['233', '37', '221', 'n', 'j', 'y', '381', '175']

A: 1, 2, 3, 5, 7, 8
****
Q: ['381', '129']

A: 1, 2, 3, 8, 9
****
Q: ['227', '39', '133', 'd', '13', '365', '251', '437', 'v', '263', '223', 'p', 'r', 'i', '229']

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