This is the key of the kingdom:

a
This is the key of the kingdom:
In that kingdom is a city,
In that city is a town,
In that town there is a street,
In that street there winds a lane,
In that lane there is a yard,
In that yard there is a house,
In that house there waits a room,
In that room there is a bed.
On that bed there is a basket,
A basket of flowers.

b
Flowers in the basket,
Basket on the bed,
Bed in the chamber,
Chamber in the house,
House in the weedy yard,
Yard in the winding lane,
Lane in the broad street,
Steet in the high town,
Town in the city,
City in the kingdom:
This is the key of the kingdom.