Ignore the first and last characters of the keys...

Death Ray Manta SE 9BCRC9-8BZ4F-4XZRM4
The Deed P85EXP-7QENB-YKJ7KY
Defend Your Life G88HTG-VARZN-K3EW0K
Demon Hearts T70T3T-KT82T-LQTX2L
Demon Hunter: Chronicles from Beyond 34VA53-M6WYF-55YD95
Demon Hunter: Chronicles from Beyond R4VE3R-JLDBE-0IKCQ0
Deranged Rabbits EDMRBE-J80QJ-H5540H
Deranged Rabbits 6DLNC6-L6ZX8-A6LBPA
The Descendant Full Season R6EMTR-Y9QY3-WMN6ZW
The Descendant Full Season M6EQ2M-8GGX9-A440BA
Desert Ashes X2W3BX-2XCKE-7B0RR7
Desert Ashes MFGQPM-LEIVJ-WWD84W
Desert Law MC3ECM-7CBR0-RTZJ0R
Desert Law IC3J0I-3AZHG-TMWL3T
Desert Thunder Q2TWKQ-5AEZQ-C3V07C
Destiny Warriors RPG P42VNP-JBITH-CDEYAC
A Detective's Novel JDKMZJ-AY0N5-RHETHR
DEUS EX MACHINA 2 ECEENE-Z25AX-QHTGMQ
DEUS EX MACHINA 2 Z347EZ-78TJW-JYLI6J
Devils & Demons GGRXIG-IHDRV-7Y2E67
Devils & Demons 462RJ4-YEWEZ-492NN4
Devils & Demons Z62LNZ-PD5QW-9R6YB9
Devoured Time V2XNFV-PW067-VLG5VV
Dino Eggs: Rebirth L9GRWL-ZT88B-3K5DN3
Dino Eggs: Rebirth H9GY5H-RBK4Z-WG8LNW
Dinocide T7RDNT-IWIAW-8A3J88
Disastr_Blastr Z7APNZ-AIY8T-RI86BR
Disastr_Blastr F7AVVF-K7NIT-RYHJIR
Disposable Heroes C3FIIC-AKNL0-TGKT6T
Disposable Heroes V39L3V-AAL0F-APF37A
Disposable Heroes V33D4V-KEJ5A-9GHWL9