javascript function if else. beagles fermi pico game

//Instead of "You win" I'm getting " Pico Pico Pico?? why is you win is at the end

// Compare Usr numbers vs computer ramdom nums
function compareUsrvsCom(){

    var response = "";


    if (number1 == compChoice1) response += "pico  ";
    else if (number1 == compChoice2 || number1 == compChoice3) response += "fermi  ";


    if (number2 == compChoice2) response += "pico  ";
    else if (number2 == compChoice1 || number2 == compChoice3) response += "fermi  ";


    if (number3 == compChoice3) response += "pico  ";
    else if (number3 == compChoice1 || number3 == compChoice2) response += "fermi  ";


    if (number1 === compChoice1 && number2 === compChoice2 && number3 === compChoice3) response += "You win";
    else if (response == "" ) return ("beagls   ")


    return response;
    // return response;
}
   //Start game Btn