Waaaaah I have so many!!!!! I can narrow it down to these, though:
evolution
A Song for XX
teddy bear
Memorial address
part of Me
JEWEL
Days
Secret
STEP you
fairyland
(miss)understood
BLUE BIRD
1 LOVE
Sparkle
GREEN
July 1st
is this LOVE?
MY ALL
I am...
decision
(don't)Leave me alone
Don't look back
Sexy little things
Together When...
BALLAD
You were...
Mirrorcle World
RED LINE ~for TA~
HEAVEN
RAINBOW
ourselves
alterna
Will
Because of You
Days
Microphone
Erm... Not exactly "narrowing," but at least it's shorter than my original list!
(these songs are in no particular order
)