Suppose we use the following letters of the alphabet below and the encoding shown next to each to create a cipher: a: 000, c: 001, e: 010, g: 011, i: 100, k: 101, s: 110, t: 111. What is the key if plaintext is kites and the ciphertext is gctki?

	1.	geeks
	2.	skype
	3.	stake
	4.	skate