wat doe ik fout

ik ben nog niet zo goed met php maar ik heb een pagina gemaakt maar ik krijg steeds een parse error en ik weet niet hoe ik het moet oplossen. de code=

CREATE TABLE tabel (
gebruikersnaam VARCHAR(30) NOT NULL,
T1-T2 VARCHAR(10) NOT NULL,
T3-T4 VARCHAR(10) NOT NULL,
T5-T6 VARCHAR(10) NOT NULL,
T7-T8 VARCHAR(10) NOT NULL,
T9-T10 VARCHAR(10) NOT NULL,
T11-T12 VARCHAR(10) NOT NULL,
T13-T14 VARCHAR(10) NOT NULL,
T15-T16 VARCHAR(10) NOT NULL,
T17-T18 VARCHAR(10) NOT NULL
);

<?php
<form action="invul.php" method="post">
<TABLE>
<TR><TD>Gebruikersnaam:</TD><TD><input type="text" name="gebruikersnaam" size="20"></TD></TR>
<TR><TD>Wedstrijden:</TD></TR>
<TR><TD>team 1 - team 2 </TD><TD><input type="text" name="T1-T2" size="5" maxlenght="10"></TD></TR>
<TR><TD>team 3 - team 4</TD><TD><input type="text" name="T3-T4" size="5" maxlenght="10"></TD></TR>
<TR><TD>team 5 - team 6</TD><TD><input type="text" name="T5-T6" size="5" maxlenght="10"></TD></TR>
<TR><TD>team 7 - team 8</TD><TD><input type="text" name="T7-T8" size="5" maxlenght="10"></TD></TR>
<TR><TD>team 9 - team 10</TD><TD><input type="text" name="T9-T10" size="5" maxlenght="10"></TD></TR>
<TR><TD>team 11 - team 12</TD><TD><input type="text" name="T11-T12" size="5" maxlenght="10"></TD></TR>
<TR><TD>team 13 - team 14</TD><TD><input type="text" name="T13-T14" size="5" maxlenght="10"></TD></TR>
<TR><TD>team 15 - team 16</TD><TD><input type="text" name="T15-T16" size="5" maxlenght="10"></TD></TR>
<TR><TD>team 17 - team 18</TD><TD><input type="text" name="T17-T18" size="5" maxlenght="10"></TD></TR>
<input type="submit" value="Verzenden" name="submit"><input type="reset" value="Wissen" name="wissen">
</form>
</body>
</html>
<?php

if($submit) {


$insert = "INSERT INTO tabel (gebruikersnaam,T1-T2,T3-T4,T5-T6,T7-T8,T9-T10,T11-T12,T13-T14,T15-T16,T17-T18)
VALUES ('','$gebruikersnaam','$T1-T2','$T3-T4','$T5-T6','$T7-T8','T9-T10','T11-T12','T13-T14','T15-T16','T17-T18')";
$query = mysql_query($insert)or die(mysql_error());
}
?>