YOU SAID:
happy birthday, birthday happy
INTO JAPANESE
お誕生日おめでとう、幸せな誕生日
BACK INTO ENGLISH
Birthday congratulations, happy birthday
INTO JAPANESE
誕生日のお祝い、お誕生日おめでとう
BACK INTO ENGLISH
Happy birthday, birthday celebration
INTO JAPANESE
誕生日のお祝い、お誕生日おめでとう
BACK INTO ENGLISH
Happy birthday, birthday celebration
That didn't even make that much sense in English.