If you want to say I love you in Morse code, say like this – Di-di | di-dah-di-di dah-dah-dah di-di-di-dah di | dah-di-dah-dah dah-dah-dah di-di-dah. The word 'di' is equivalent to the short beep, while 'dah' is equivalent to the long beep.