YOU SAID:
cat neko dog inu bark ark rk k supercalifragilisticexpialidocious upercalifragilisticexialidocious percalifragilistidexpialidocious ercalifragilisticexpialidociourcalifragilisticexpialidociouscalifragilisticexpialidocious califragilisticexpialidociousalifragilisticexpialidocious lifragilisticexpialidocious ifragislisticexpialidocious fragilisticexpialidocious ragilisticexpialidocious agilisticexpialidocious gilisticexpialidocious ilisticexpialidocious listicexpialidocious isticexpialidocious sticexpialidocious ticexpialidocious icexpialidocious cexpialidocious expialidocious xpialidocious pialidocious ialidocious alidocious lidocious idocious docious ocious cious ious ous us s
INTO JAPANESE
猫ネコ犬inu樹皮ark rk k supercalifragilisticexpialidocious upercalifragilisticexialidiousxpialidocious ercalifragilisticexpialidociourcalifragilisticexpialidociouscalifragilisticexpialidocious califragilisticexpialidociousalifragilisticexpialidocious lifragilisticexpialidiously ifragislisticexpialidocious fragilisticexp
BACK INTO ENGLISH
猫ネコ犬inu樹皮ark rk k supercalifragilisticexpialidocious upercalifragilisticexialidiousxpialidocious ercalifragilisticexpialidociourcalifragilisticexpialidociouscalifragilisticexpialidocious califragilisticexpialidociousalifragilisticexpialidocious lifragilisticexpialidiously ifragislisticexpialidocious fragilisticexp
INTO JAPANESE
猫ネコ犬inu樹皮ark rk k supercalifragilisticexpialidocious upercalifragilisticexialidiousxpialidocious ercalifragilisticexpialidociourcalifragilisticexpialidociouscalifragilisticexpialidocious califragilisticexpialidociousalifragilisticexpialidocious lifragilisticexpialidiously ifragislisticexpialidiousful fragilisticexp
BACK INTO ENGLISH
猫ネコ犬inu樹皮ark rk k supercalifragilisticexpialidocious upercalifragilisticexialidiousxpialidocious ercalifragilisticexpialidociourcalifragilisticexpialidociouscalifragilisticexpialidocious califragilisticexpialidociousalifragilisticexpialidocious lifragilisticexpialidiously ifragislisticexpialidiousful fragilisticexp
INTO JAPANESE
猫ネコ犬inu樹皮ark rk k supercalifragilisticexpialidocious upercalifragilisticexialidiousxpialidocious ercalifragilisticexpialidociourcalifragilisticexpialidociouscalifragilisticexpialidocious califragilisticexpialidociousalifragilisticexpialidocious lifragilisticexpialidiously ifragislisticexpialidiousful fragilisticexp
BACK INTO ENGLISH
猫ネコ犬inu樹皮ark rk k supercalifragilisticexpialidocious upercalifragilisticexialidiousxpialidocious ercalifragilisticexpialidociourcalifragilisticexpialidociouscalifragilisticexpialidocious califragilisticexpialidociousalifragilisticexpialidocious lifragilisticexpialidiously ifragislisticexpialidiousful fragilisticexp
That didn't even make that much sense in English.