Letter Series A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Study the patterns carefully and complete the exercises below. I need explanation for your answers. Thank you. A B C D E F G H I J K L M N Z Y X W V U D EF G HI J JL Now use the pattern to these: 1. A B C D ....... ........ 2. A BC D EF ....... ....... 3. HIJ K LMN PQR ....... ....... 4. AZB CYD EXF ....... ....... 5. DDE F GGH ....... ........