YOU SAID:
Ba ba ba ba bird bird bird birbird
INTO JAPANESE
バ・バ・バ・バ・バード・バード・バード・バード
BACK INTO ENGLISH
Bar ba ba bird bird bird bird
INTO JAPANESE
バーバ鳥鳥鳥鳥
BACK INTO ENGLISH
Barba Birds and Birds Birds
INTO JAPANESE
バーバ鳥と鳥の鳥
BACK INTO ENGLISH
Baba birds and birds' birds
INTO JAPANESE
ババ鳥と鳥の鳥
BACK INTO ENGLISH
Baba birds and birds' birds
That didn't even make that much sense in English.