1 down (5)stain ?A???
2 down (6) Try your best ?A???E
5 down (7) carefree ?A?C?O?
11 down(7) obscure ?C?I?S?
9 across (5) talent [no letters/1 and 2 down interlock with 9 across]
last few clues from triple crossword puzzle, looking at them too long to make sense of them, so thanks to anyone for solutions supplied