How do you get all the monsters in mix a monster

1.rock, spring, cheese, snail = Red Disco Ball Monster
2.sock, spring, cheese, snail= Robo Dino with Lazer Eyes
3.sock, rock, cheese, snail= Green Booger-Eating Monster
4.sock, rock, spring, snail= Green Monster with Horns In Back
5.sock, rock, spring, cheese= Boxing Squirrel
6.frog, spring, cheese, snail= Mummy
7.frog, rock, cheese, snail= Blue Octopus Monster in Hat And Glasses
8.frog, rock, spring, snail= Yellow Squid (Gets Tied Up)
9.frog, rock, spring, cheese= Sweet Pink Bat Monster
10.frog, sock, cheese, snail= Blue barfing Frog Monster
11.frog, sock, spring, snail= Red Juggling Monster
12.frog, sock, spring, cheese= Purple Mimicking
13.frog, sock, rock, snail= Many Eyed Purple Monster
14.frog, sock, rock, cheese= Cake Monster
15.frog, sock, rock, spring= Spooky Ghost