i just finished defeating Kiki and decided to start breeding my Pokemon but i don't know how to do breeding chains so any help and advice you guys can give will be greatly appreciated. 
1. Scrafty 
-hjk 
-crunch 
-ice punch 
-dragon dance/bulk up 
 i don't know which set up move to choose, i have a Gyarados with dd if it helps and a Medicam with ice punch 
2.Azumarill 
-aqua jet 
-ice punch 
-belly drum 
-play rough 
 need a chain for the first three moves, Medicam with ice punch 
3. Cofarigus 
-shadow ball 
-HP(fighting) 
 -psychic 
- nasty plot 
 chain for last 2 moves