Wordo by MiniClip [zoom]
Build Words : Click on the letter boxes in the correct order to spell word.

Submit Word : When you have a valid word, the selected boxes will turn green and you can click on them to submit your word (collecting points and vaporizing the blocks,) or you can continue to click on more letters to make a larger word.

OOPS : If you clicked the wrong letter, you can clear your word box by click on the same letter box twice.

This is a great little word game. It is too bad the free version only has 5 levels.