Lovatts Crossword & Puzzle Collection Giant Cryptic 126

I’m stuck on a few more... 29 down Rioting sheep calling on bleeper? (9) ?a??a??n?
36 down Only ego could possibly make the practice of coining new words (7) n?o?o??
63 down Colossal amigo swallowed sausage (6) ???a?i

Thanks for any help.