Vowels may be indicated.Logical formLearned from3 sentences. A duration may pertain-to vowels.Logical formLearned from3 sentences. Vowels may be expressed as signs.Logical formLearned from3 sentences. A (vowel sign) can be explicit.Logical formLearned from3 sentences. A (length mark) may be used for doubling vowels.Logical formLearned from3 sentences. A sign can be for a vowel.Logical formLearned from3 sentences. A hamisaran may be written/wrote above vowels.Logical formLearned from3 sentences. A vowel may be placed under a consonant.Logical formLearned from3 sentences. A vowel can be inherent.Logical formLearned from3 sentences. A position may pertain-to vowels.Logical formLearned from3 sentences. A vowel may pertain-to a declension.Logical formLearned from3 sentences. Vowels may sing.Logical formLearned from3 sentences. Formants may pertain-to vowels.Logical formLearned from3 sentences. A set can be constituted-of-or-filled-with some vowels.Logical formLearned from3 sentences. Semivowels can be vowels.Logical formLearned from3 sentences.