An Artificial Construction

[RadioFM]

If there is some very popular token like daiin or chol, there would be some chol.daiin and there would be some daiin.chol in the text.

That's right. And what's more, this cannot be fully explained with boustrophedon hypotheses, or some simple line reversal scheme, due to the vord length autocorrelation. Short-long word interspersion (observed in many candidate natural languages) should still hold if some lines were arbitrarily penned in reverse order.