Answer :

b goes to amphibians 
r goes to winged wonders
s goes to mammals
c goes to winged wonders 
o goes to reptiles 
g goes to amphibians 

you know what amphibians means that they life in water and on land mostly frogs 
winged wonders animals that fly such as a bird 
reptiles things like snakes 
mammals human whales cows not egg born hot blooded animals 
i hope this helped you