A really hard brain teaser?

Question

what are the next two pairs of letters? (10 points for the first person to get it correct )

ON

DJ

FM

AM

??

??

Answer 1

common its impossible to predict but still I'll give it a shot.................

pm??

of???

Answer 2

I think they are the first letters of first and last name....coudn't find the sequence though...

Answer 3

am

pm

Answer 4

JJ

AS

Answer 5

AC

DC

Answer 6

JJ

AS

pattern is:

OctoberNovember=ON

DecemberJanuary=DJ

FebruaryMarch=FM

AprilMay=AM

so next is

JuneJuly=JJ

AugustSeptember =AS