Answer:
Roast, boast, coast, post. What do you put in a toaster?
I am so delicate that even mentioning me breaks me. What am I?
I lose my head in the morning and regain it back at night. What am I?
I am the kind of soda you must not drink. What am I?
What type of shoes do spies wear?
I will disappear every time you say my name.