B

The second letter of the alphabet. Can also be used as the chemical symbol for Boron, which is the fifth element. Is also used as musical note which has the frequncy of 494 Hz (one after middle c). The most unbeelievable letter.

"I love learning my ABCs," said 4 year old Mike.
"And here you can see the symbol B, which represents Boron," explained the science teacher.
"This song uses the key of B," said my music instructor.

A

The first letter of the alphabet. Can also be used as an article (a word that can combine with a noun).

"I learned that a is a letter!" said 4 year old Mike.
"I just drank a hot coffee," said the office worker.