Lettristic decomposition is an atomistic decomposition of language into its smallest and not further divisible units and the recombination of these individual elements. It was used by authors such as Valeri Scherstjanoi, Gerhard Rühm, Ernst Jandl, Hans G Helms, Franz Mon, Oskar Pastior, and Michael Lentz. An early example is the poem "fmsbw" by Dadaist Raoul Hausmann.

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