YOU SAID:
happy birthday too you! happy birthday too you! happy birthday dear …! happy birthday too you!
INTO JAPANESE
お誕生日おめでとうございます!お誕生日おめでとうございます!お誕生日おめでとう …!お誕生日おめでとうございます!
BACK INTO ENGLISH
happy Birthday! happy Birthday! happy Birthday …! happy Birthday!
INTO JAPANESE
誕生日!誕生日!誕生日 …!誕生日!
BACK INTO ENGLISH
birthday! birthday! birthday …! birthday!
INTO JAPANESE
たんじょうび!たんじょうび!たんじょうび …!たんじょうび!
BACK INTO ENGLISH
birthday! birthday! birthday …! birthday!
That didn't even make that much sense in English.