sentences:  Although Persian writing is supported in recent operating systems, there are still many cases where the Persian alphabet is unavailable and there is a need for an alternative way to write Persian with the basic Latin alphabet.This way of writing is sometimes called Fingilish or Pingilish (a portmanteau of "Farsi" or "Persian" and "English").In most cases this is an "ad hoc" simplification of the scientific systems listed above (such as ALA-LC or BGN/PCGN), but ignoring any special letters or diacritical signs.