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
English words without vowels the nth degree", is in fairly common usage. Another mathematical term without vowel letters is "rng" , derived from "ring" by deleting the letter . A more obscure example is "ln". Vowelless proper names from other languages, such as the surname Ng, may retain their original spelling, even if they are pronounced with vowels. In the Middle English period, there were no standard spellings, but was sometimes used to represent either a vowel or a consonant sound in the same way that Modern English does with , particularly during the 14th and 15th centuries. This vocalic generally represented , as