Swap the middle block of characters with the last block of characters... ( aaaaa-bbbbb-ccccc would become aaaaa-ccccc-bbbbb).

F-117A Nighthawk Stealth Fighter 2.0 97263-JLXVE-0H953
F-19 Stealth Fighter 07TF9-CMGZR-NAIM3
F-19 Stealth Fighter 7APF2-CLEG7-MMEQ2
F-19 Stealth Fighter 7AQ48-62G4F-L77YR
Faces of War 2FFIE-PLEZC-BYTN2
Fairyland: Fairy Power 8QY0C-9FKM4-5BAYF
Fairyland: Fairy Power 8QZ47-5G79D-BD9RH
Fairyland: Fairy Power 8QZD0-A7DTD-8JPNX
Fairyland: Fairy Power 3V7MG-3ZCY7-PVHWX
Fairyland: Incursion 0ECEL-AWI5K-MZVC8
Fairy Tale Mysteries: The Puppet Thief 4QYT3-H95NQ-ZNEQW
Fairy Tale Mysteries: The Puppet Thief 4R7WY-D4M28-7JD4H
Fairy Tale Mysteries: The Puppet Thief 4QX94-PCL6L-M0RXT
Fairy Tale Mysteries 2: The Beanstalk 4N8AA-5E37W-QHXBA
The Fallen Kingdom 78EB2-WI3HF-0TZI5
The Fallen Kingdom ATJFR-NT807-YGV2N
The Fallen Kingdom ATEIY-2LBIJ-R5WLF
Fantastic Checkers 2 4202P-EFCWF-6MRGB
Farnham Fables 4GLEZ-KF2IE-A0BY7
Farnham Fables Tape 1 Episode 2 4DHGK-Z6RFA-75XLH
Faron's Fate 4Z9NF-MKBCX-Z2BDM
Fiber Twig: Midnight Puzzle 6CW4E-W3NRF-C0JHK
Fill Up! 0EELX-WK6CD-4REKI
Find Out 5KCIE-X6W9J-G2JZI
Fine China 6IR8C-VE8RW-NW7EK
Fire Arrow Plus 6CGBB-X9YYH-5533R
Fire Arrow Plus 6CNCY-NTFG0-R3C76
Fire & Forget - The Final Assault 433PK-95V32-449PK
Fire & Forget - The Final Assault 43BNG-HMFLC-JZWYX
The First Templar - Steam Special Edition 9WXGT-T23J3-8RY9Y
FLASHOUT 2 GRZH7-26DEW-I7HP0
FLASHOUT 2 GRPJP-CJ9WR-AKLG9
Flat Path AV4ZT-TQZYA-TWFQZ
Flatout 3: Chaos & Destruction 50DW6-LF2NN-6TAPA
Flesh Eaters AZLHQ-GVAM6-592YH
The Flock 847J9-3MJFM-KV2M3
The Flock 848Z4-P8K0P-WECIY
The Flock 84CCW-E9XKA-BEJYR
Fly and Destroy 7PLVT-ALX5R-HBV53
Football Blitz 49FCB-WLHV3-3VQFD
Football Blitz 0ET5Y-HMKVY-DG58G
Football Mogul 2014 42I5A-AMHCP-2K28Z
Football Mogul 2014 0PZY5-VCG4V-DEL0D
Football Mogul 15 76RMV-0TPNB-NG2EV
Football Mogul 15 76T4G-YKGM7-5IN3R