In Icelandic writing system, due to the loss of the Old Norse rounding of the vowel /y/, the letters and are now pronounced identically to the letters and , namely as and respectively. The difference in spelling is thus purely etymological. In Faroese, too, the contrast has been lost, and is always pronounced , whereas the accented versions and designate the same diphthong (shortened to /u/ in some environments). In both languages, it can also form part of diphthongs such as (in both languages), pronounced , and , pronounced (Faroese only).