$rule_1       = qr/ (??{$alpha_N}) /x;
$rule_2       = qr/ (??{$alpha_A}) (??{$alpha_P})/x;
$rule_3       = qr/ (??{$alpha_P}) (??{$alpha_V}) (??{$alpha_P})/x;
$rule_4       = qr/ (??{$alpha_big}) /x;
$rule_5       = qr/ (??{$alpha_green}) /x;
$rule_6       = qr/ (??{$alpha_cheese}) /x;
$rule_7       = qr/ (??{$alpha_Jim}) /x;
$rule_8       = qr/ (??{$alpha_ate}) /x;