case 'gen_cohort':
$result = $pdo->prepare(<<<EOF
SELECT `cohort`,
\t{$format}
FROM `moles`
WHERE `alley` <> 'Social'
\tAND `cohort` <> ''
\tAND `cohort` >= {$year}
\tAND `position` <> 'RA'
{$order}
EOF
);
$result->execute();
$rows = $result->fetchAll(PDO::FETCH_COLUMN | PDO::FETCH_GROUP);
foreach ($rows as $class => $moles) {
$list = strtolower(Mole::yearToCohort($class));
if ($list != 'frosh') {
$list .= 's';
} else {
$moles[] = <<<EOF
mole-permafrosh <*****@*****.**>
EOF;
}
$moles[] = $president;
$moles[] = $secretary;
hovselist_write('mole-' . $list, $moles);
$lists[] = 'mole-' . $list;
}
break;
case 'gen_gender':
