Something like this could do the work:

#connect to the database and issue the following query;
#select * from tablename order by line_n,word_position asc

#then loop through the results and print the lines
my (@row, $row);
my $line_no = -1;
my $line = '';
while(@row = $sth->fetchrow_array) {
    if($line_no == $row[1]) {
        $line .= " $row[2]";
    } else {
        print "Line $line_no $line"; unless ($line_no == -1);
        $line = '';
        $line_no = $row[1];
    }
}

# note that this is untested code.
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