YOU SAID:

I'm alone without you

INTO JAPANESE

私はあなたなしで単独で

BACK INTO ENGLISH

Alone without you, but I

INTO JAPANESE

私なしで単独で

BACK INTO ENGLISH

By itself without me

INTO JAPANESE

ひとりでに私なし

BACK INTO ENGLISH

Without me by itself

INTO JAPANESE

私だけでなく

BACK INTO ENGLISH

I as well

INTO JAPANESE

私だけでなく

BACK INTO ENGLISH

I as well