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: ['t', '197', '129', 'u', 'l', 'y', '485', '57', '147', 'p', '137', 'v', '221']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['f', '253', '211', '85', 'm', 'y', 'l', 'r', 't', 'm', '193', 'p', '415', 'h', 'h']

A: 1, 2, 3, 4, 5, 8, 9
****
Q: ['99', '245', 'c', '435', '255', 'v']

A:
2, 3, 4, 5, 9
****