Hawaiian alphabet not make it a letter of the alphabet. In publishing the Hawaiian Bible, they used the okina to distinguish ' ('my') from ' ('your'). It was not until 1864 that the okina became a recognized letter of the Hawaiian alphabet. As early as 1821, one of the missionaries, Hiram Bingham, was using macrons in making handwritten transcriptions of Hawaiian vowels. The macron, or "", was used to differentiate between short and long vowels. The current official Hawaiian alphabet consists of 12 letters: five vowels (A a, E e, I i, O o, U u) and seven consonants (H h, K
Phonological history of English high back vowels a result, "ruin" is pronounced as monosyllabic and "fluid" is pronounced . Phonological history of English high back vowels Most dialects of modern English have two high back vowels: the near-close near-back rounded vowel found in words like "foot", and the close back rounded vowel (realized as central in many dialects) found in words like "goose". This article discusses the history of these vowels in various dialects of English, focusing in particular on phonemic splits and mergers involving these sounds. In the Old English vowel system, there was a pair of short and long high back vowels, and , both