The lack of unique letters to describe the wide array of vowels seems like a big flaw in the Latin alphabet. Diacritics or inverted characters just aren't as go

The lack of unique letters to describe the wide array of vowels seems like a big flaw in the Latin alphabet. Diacritics or inverted characters just aren't as good as clear and unique letters. Maybe there just isnt enough design space left to create more unique glyphs but it sure would be nice.