Choose the missing terms out of the given alternatives.
AZ, CX, FU, ?  Choose the most appropriate option:	A) IR	B) IV	C) JQ	D) KP	E) QC
C   JQ   The first letter moves 2, 3, 4 ... steps forward. The second letter moves 2, 3, 4 ... steps backward.
<result>C</result>
Choose the missing terms out of the given alternatives.
AZ, CX, FU, ?