In the game Bogsquare the score of a word is the square of the length of the word, e.g., "dog" has a score of 9 and "carnivore" has a score of 81.
Write function score to return the score
of a string in Bogsquare.
word is a String of at most 128 characters.
word = "dog" returns 93*3 = 9
word = "I" returns 1One-letter words don't yield a high score.
word = "Antidisestablishmentarianism" return 78428*28=784
word = "ox" returns 4
