Related Clues:

• Address ending, informally
• Like some facts
• Bad, like luck
• Tough to figure out
• Strenuous
• Type of computer port
• ___ as a diamond
• Mail aid
• Plug-and-play PC port
• The White House's is 20500
• Kind of port for a PC
• Rock-like
• Kind of rock or candy
• Like a Saturday crossword
• Flinty