The Sanskrit/devanagari vowels अ (u̱nder), आ (ah), इ (in), ई (eat), उ (put), ऊ (boot), ए (ate), ऐ (add), ओ (oh - not as a diphthong), औ (ogre), are mapped to 'a', 'aa', 'i', 'ee', 'u', 'oo', 'ae', 'ei', 'o', 'ou', in that order, in most transcriptions of Indian names into English.