Sam has seven cubic blocks. Each blocks has a different letter on each face. The letters on each blocks are:

Blocks 1 – A B C H I J
Blocks 2 – B C D K L M
Blocks 3 – C D E N O P
Blocks 4 – D E F Q R S
Blocks 5 – E F G T U V
Blocks 6 – F G A W X Y
Blocks 7 – G A B Z H I

Placing the blocks side by side, Sam can spell seven-letter words.