Then tell me, what is that supreme delight?From George Herbert (1593-1633), HeavenEcho: Light
Another example is Edward de Vere's echo verses (1588).
Given the limited options, it is usual to allow some laxity about the precision of the echo.
There is a modern ribald echo poem about poets of the past by Kinglsey Amis, included in his published Letters (p. 115):
Say what the realm of honey-tongued Pope is. Echo: Piss
What ails Wordsworth in Nature's mystic lap? Echo: Clap