A vowel may undergo an introduction.Logical formLearned from2 sentences. Changes may affect oral vowels.Logical formLearned from2 sentences. A letter may stand with a vowel.Logical formLearned from2 sentences. Diacritic marks may indicate vowels.Logical formLearned from2 sentences. Vowels may undergo a disappearance.Logical formLearned from2 sentences. A minimal pair may be distinguished by a nasality of a vowel.Logical formLearned from2 sentences. Phonetic values can be for a vowel.Logical formLearned from2 sentences. A long vowel may have a short vowel.Logical formLearned from2 sentences. Symbols may be used for short vowels.Logical formLearned from2 sentences. Words may have some vowels.Logical formLearned from2 sentences. A variant may pertain-to a (vowel system).Logical formLearned from2 sentences. A rule of syncope may delete a vowel.Logical formLearned from2 sentences. Short vowels may undergo a loss.Logical formLearned from2 sentences. (Vowel symbols) can be doubled.Logical formLearned from2 sentences. Nasal vowels can be of status.Logical formLearned from2 sentences.