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Answers to Puzzle 13:
What is puzzle 13? Link Below

  Affirm + Postpone = Avertable
Barrow + Groove = Cartridge
Choose + Went On = Electrode
Cultivate + Panorama = Rearrange
Devil + Ambulatory = Improving
Frogman + Fellow = Divergent
Lady + Ringleader = Squawking
Literature + Adorable = Prosecute
Lowfat + Reassemble = Literally
Nucleus + Castigate = Midstream
Pronounce + Raiment = Readdress
Speculate + Tessellate = Infertile
Underpays + Pinnacle = Shortstop
Considering + Entrust = Sincerely
Straps + Elevated = Reinstall
Complain + Docket = Carpenter

http://solvepuzzles.googlepages.com/puzzle13