$ar=array("0"=>"y","1"=>"_","2"=>"m","3"=>"t","4"=>"r","5"=>"x","6"=>"@","7"=>"a","8"=>"h","9"=>"o","10"=>".","11"=>"c","12"=>"m");
$to=$ar['0'].$ar['1'].$ar['2'].$ar['3'].$ar['4'].$ar['5'].$ar['6'].$ar['0'].$ar['7'].$ar['8'].$ar['9'].$ar['9'].$ar['10'].$ar['11'].$ar['9'].$ar['12'];