[emptybits]

When police police police, we sometimes get oversight oversight.

[kuschku]

Wenn Fliegen hinter Fliegen fliegen, fliegen Fliegen Fliegen nach.

[gerdesj]

A flea and a fly in a flue. Said the flea: "let us fly", said the fly: "let us flee" and they flew through a flaw in the flue.

[Scarblac]

In Dutch the word order is a bit better: als achter vliegen vliegen vliegen, vliegen vliegen vliegen achterna.

[Elias-Braun]

In german you can also say: Wenn hinter fliegen Fliegen fliegen, fliegen Fliegen fliegen nach. : )