If you say my name, I will no longer exist. What am I?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Can you start the fire using two pieces of wood?

Identify the hidden meaning behind this picture?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Why is the longest human nose just 11 inches?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

What demands an answer, but asks no questions

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Can you count the number of triangles inside a triangle?