Alphabet alphabet is sometimes claimed to be as small, but it actually consists of 18 letters, including the ʻokina and five long vowels. However, Hawaiian Braille has only 13 letters.) While Rotokas has a small alphabet because it has few phonemes to represent (just eleven), Book Pahlavi was small because many letters had been "conflated"—that is, the graphic distinctions had been lost over time, and diacritics were not developed to compensate for this as they were in Arabic, another script that lost many of its distinct letter shapes. For example, a comma-shaped letter represented "g", "d", "y", "k", or "j". However,
Phonological history of English vowels mergers before historic coda r are very common in English dialects. Phonological history of English vowels In the history of English phonology, there have been many diachronic sound changes affecting vowels, especially involving phonemic splits and mergers. The Great Vowel Shift was a series of chain shifts that affected historical long vowels but left short vowels largely alone. It is one of the primary causes of the idiosyncrasies in English spelling. The shortening of ante-penultimate syllables in Middle English created many long–short pairs. The result can be seen in such words as, <nowiki>*</nowiki>Earlier Modern English merged with . Tense–lax neutralization