What is a 6 letter word using PQRST?

What is the only word that has 4 double letters in a row? Where was LEGO introduced? Mel plans to fence his yard for his new puppy The yard is a 53 ft by 109 ft rectangle Fencing costs 8 per 10 ft section What is the cost of the fence? What famous boxer's first name starts with the letter b? What is a word to describe a guy with b? What landform starts with the letter w? What is the meaning of shoot the moon in the game of hearts? How much board do you pay at home? What is a bloodmobile? Are trampolines dangerous? How many spots in a standard box of dominoes? What sports are not considered a team sport? What is another name for the Roman god of the underworld also called Pluto? What is Greeness perambulates? Did Ronnie Dyson sing a song called teddy bear? What does Nerf EBF stand for? What is a cetane improver? What is ditloids 53 N on H? What is the wife of a Baron called? What is Tinplate?