A more likely intended reading (by mapping English letters back to the they would occupy if the user thought they were typing Arabic but had English layout active) would require a reverse mapping.
However, the for a "useful piece" is: This is Arabic text written using Latin letters without switching keyboard layout , commonly seen when someone forgets to change from English to Arabic. To recover the original, you need to type the same keys with the Arabic keyboard active . althmyl- rb rb sat nwdz lshrmwtt bldy btklm ...
But that result is nonsensical — it seems the mapping was done incorrectly or the original Arabic was typed in a different layout (perhaps someone typed Arabic words using an English keyboard without switching the layout properly). A more likely intended reading (by mapping English