Setting up a construct for playing morse code

Defining playLetter function

void playLetter(char x)
{
	switch (x):
		case 'E':
			dit(); return;
		case 'T':
			dah(); return;
		case 'A':
			di();dah(); return;
		case 'O':
			dah();dah();dah(); return;
/*Insert more alphabets here*/
		case ' ':
			delay(wordSpace);
/* We've inserted the wordSpace delay to make sure it relaxes when the letter is a space */

}