These are potentially all of the words:
POOR, NO-PGIRL, ATOM, TARAN, RAGE, DEATH-STROKE, I-DO, LOVER-OF-TACOS, BRAIN, GOMERPILE, WHY, GREEN, HALL-OF-JUSTICE, THROWIN-CARS, JONES, GRODD, CNET, SIX, BEST-OF-SHOW, APATHY, DUPLICATES, LOIS, SUPER, KILLED-A-CHILD, SKATE, TERRY, RED-SON, YES, WINGS, PAKO, MK-CD-JR, I-NEED-YOUR-DNA, BROOME, OMAC, RED, DIE-CLOWN, LEBARON, WIN, CRAIG, FAIL, FISHTANKS, GADGET, BUT-PUDDIN, THE-REAL-TRAP, NO(?)-SEQUEL, OF-MY-EXISTENCE, BILLY, COLD-GIRL, ROBIN, KILLED-KENT, IM-IN-A-NIGHTMARE, MXYZPTLK, WATERMAN, YONDER-WOMAN, YELLOW, HE-STOLE-HER, FATALITIES, INSURGENCY, PATROL, SNART, NO, MTARANI (anagram?), ZOD, CYBORG, POCILE (anagram?), LEX, ION, MERA, RICK, TORNADO, RAVEN, ROTH, DOOM, ARNOLD, TYLER
The key ones that may be hinting at future characters in some form (imo):
ATOM
GRODD
TERRY (Batman Beyond's first name)
DUPLICATES (Duplicate characters? Two Robins? Shazam and Black Adam? Aquaman and Ocean Master?)
OMAC
COLD-GIRL (Killer Frost?)
ROBIN
MXYZPTLK
YONDER-WOMAN (?)
SNART (Captain Cold's last name)
ZOD
MERA
TORNADO (Of the red variety?)
ION (Kyle Rayner!)
RAVEN
ROTH (Raven's alter-ego last name)
RICK (?)
ARNOLD (?)
TYLER (?)