What are little boys made of?

a
What are little boys made of?
What are little boys made of?
Frogs and snails
And puppy-dog's tails,
That's what little boys are made of.

b
What are little girls made of?
What are little girls made of?
Sugar and spice
And all things nice,
That's what little girls are made of.

c
What are young men made of?
What are young men made of?
Sighs and leers
And crocodile tears,
That's what young men are made of.

d
What are young women made of?
What are young women made of?
Ribbons and laces
And sweet pretty faces,
That's what young women are made of.