Possible Clues:

• Dog retired graduate's last to identify in dictionary
• The boy called out ''Oy!'' for his dog (7)
• This dog's to be doctored some day
• Dog will be barking some day
• Even this dog will have his day, some day perhaps!
• Variety of sled dog
• Siberian dog
• Dog bones you found in grave
• White dog
• Glum without my round old English dog