A trio of words -- one that's slang for pizza, another defined as a body's vital life force and a third referring to a snoring sound -- have conspired to change the game of Scrabble.

"Za," "qi" and "zzz" were added recently to the game's official word list for its original English-language edition. Because Z's and Q's each have the game's highest point value of 10, those monosyllabic words can rack up big scores for relatively little effort. So now that those high-scoring letters are more versatile, some Scrabble aficionados...