$firstnames=['Paul','Thomas','Richard','Anthony','Bruce','John','Michael','Cassandra','Susan','Kate'];
$lastnames=['Thompson','Johnson','Smith','Jackson','Ivey','Dwan','Jordan','Kowalski','Newman','Goldberg'];

for($i=0 ; $i<10 ; $i++){
    for($j=0 ; $j<10 ; $j++){
          echo $firstnames[$i].' '.$lastnames[$j].'<br>';
    }
}