The formatting is messed up on Github so you may want to look at this file in Visual Studio, but the list is on line #80 - #119 in this file, under the “BinaryFolderName” section.
.com/EpicGames/UnrealEngine/blob/release/Engine/Source/Developer/DesktopPlatform/Private/PlatformInfo.cpp#L80
Edit: This may not be a complete list, but it’s the ones that I know of.