There Are Zombies Outside, Dear Liza

It's less than a month till Halloween, so here's a little Halloween filk for you:

There are zombies outside, dear Liza, dear Liza
There are zombies outside, dear Liza, zombies

Well shoot them, dear Henry, dear Henry, dear Henry
Well shoot them, dear Henry, dear Henry, just shoot them

With what shall I shoot them, dear Liza, dear Liza?
With what shall I shoot them, dear Liza, with what?

With a shotgun, dear Henry, dear Henry, dear Henry
With a shotgun, dear Henry, dear Henry, with a shotgun

The shotgun is empty, dear Liza, dear Liza
The shotgun is empty, dear Liza, empty

Well load it, dear Henry, dear Henry, dear Henry
Well load it, dear Henry, dear Henry, just load it

With what shall I load it, dear Liza, dear Liza?
With what shall I load it, dear Liza, with what?

With shells, dear Henry, dear Henry, dear Henry
With shells, dear Henry, dear Henry, with shells.

Where are the shells, dear Liza, dear Liza?
Where are the shells, dear Liza, oh where?

In a box, dear Henry, dear Henry, dear Henry
In a box, dear Henry, dear Henry, in a box

Where is the box, dear Liza, dear Liza?
Where is the box, dear Liza, oh where?

In the shed, dear Henry, dear Henry, dear Henry
In the shed, dear Henry, dear Henry, in the shed

Where is the shed, dear Liza, dear Liza?
Where is the shed, dear Liza, oh where?

Outside, dear Henry, dear Henry, dear Henry
Outside, dear Henry, dear Henry, outside

There are zombies outside, dear Liza, dear Liza
There are zombies outside, dear Liza, zombies...