5a spineless creature from familiar sea which isn't besiode America though it is in this case [6] ?e?u?a
13a girl turns back after article on key man in mechanical trade [5] a?l?n
24a from start to finish gains a stone on top [5] t?p??
29a X's that's more than enough of a clue [6] e?c???
11a might they be suitable as an afterthought to a poison pen letter [4] ?s?s
many thanks for any help