Long vowels can be accented.Logical formLearned from2 sentences. Nasal vowels may undergo a denasalization.Logical formLearned from2 sentences. Vowels can be indicated.Logical formLearned from2 sentences. A vowel can be with tone.Logical formLearned from2 sentences. Transcriptions of words may provide evidence of a nature of vowels.Logical formLearned from2 sentences. Letters can be for long vowels.Logical formLearned from2 sentences. A (vowel phoneme) can be given.Logical formLearned from2 sentences. Long vowels can be phonetic.Logical formLearned from2 sentences. Short vowels may be represented by marks.Logical formLearned from2 sentences. Vowels may be represented by letters.Logical formLearned from2 sentences. Vowels may be defined.Logical formLearned from2 sentences. Vowels may stand.Logical formLearned from2 sentences. Vowels can be constituent.Logical formLearned from2 sentences. High vowels can be unstressed.Logical formLearned from2 sentences. Russian orthography may reflect (vowel reduction).Logical formLearned from2 sentences.