In these questions, the letters are linked in some way. Identify the relation and complete the last box. \[\text{BDF}\,\,\,\text{:}\,\,\,\,\text{HJL}\] \[\text{GIK}\,\,\,\text{:}\,\,\,\,\text{MOQ}\] \[\text{LNP}\,\,\,\text{:}\,\,\,\,\text{?}\]

• A.  WYA    
• B.         RTV   
• C.  TVX      
• D.         SUW