7 letter word:- Clue- Time Chart, I think it is P?A???? (13D),
3 letter word:- Clue- Type of manikin, the 1st letter is the 5th letter of the above clue. (19A)
5 letter word:- Clue- Splendid, the 1st letter is the last letter of the 7 letter word. (22A)