⟨x⟩ Vs. ⟨ch⟩: the letter ⟨x⟩ derives from Latin ⟨x⟩ or ⟨s⟩, or from Arabic ⟨dh⟩ and usually corresponds to Spanish ⟨j⟩. Mounting diphthongs (which can also be pronounced as hiatuses) that contains stressed i or stressed u are accented so they will not be pronounced as falling diphthongs. Exceptions https://www.buyfavoritesdisposables.com/