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