Suppose the character set and positions of characters are given by:

Position	0	1	2	3	4	5	6	7	8	9	10	11	12
Character	A	B	C	D	E	F	G	H	I	J	K	L	M
Position (Cont.)	13	14	15	16	17	18	19	20	21	22	23	24	25
Character (Cont.)	N	O	P	Q	R	S	T	U	V	W	X	Y	Z

Now lets use position-based substitution to decrypt message: KOEJYAVYE

If the secret key is: SUN, what is the plaintext? Please show your work for the decryption process.