⟨x⟩ Vs. ⟨ch⟩: the letter ⟨x⟩ derives from Latin ⟨x⟩ or ⟨s⟩, or from Arabic ⟨dh⟩ and typically corresponds to Spanish ⟨j⟩. Growing diphthongs (which can even be pronounced as hiatuses) made up of stressed i or stressed u are accented so they won't be pronounced as falling diphthongs. Exceptions https://www.buyfavoritesdisposables.com/