• naster control desk,
• kaster control desk,
• jaster control desk,
• mzster control desk,
• msster control desk,
• mwster control desk,
• mqster control desk,
• maater control desk,
• mazter control desk,
• maxter control desk,
• madter control desk,
• maeter control desk,
• mawter control desk,
• masrer control desk,
• masfer control desk,
• masger control desk,
• masyer control desk,
• mas6er control desk,
• mas5er control desk,
• mastwr control desk

The adjective form of "master control desk" is "master control desk". In this case, the noun form is used to describe the desk.