Vowels may undergo a pronunciation.Logical formLearned from37 sentences. A vowel may undergo a lengthening.Logical formLearned from33 sentences. Vowels can be basic.Logical formLearned from29 sentences. A vowel can be short.Logical formLearned from29 sentences. A word may begin with a vowel.Logical formLearned from28 sentences. Vowels may undergo a use.Logical formLearned from28 sentences. A quality may pertain-to a vowel.Logical formLearned from25 sentences. Vowels can be elongated.Logical formLearned from25 sentences. Sequences can be constituted-of-or-filled-with vowels.Logical formLearned from24 sentences. A vowel may be pronounced.Logical formLearned from23 sentences. A vowel may undergo a pronunciation.Logical formLearned from23 sentences. Some vowels may be pronounced.Logical formLearned from23 sentences. A vowel can be accented.Logical formLearned from22 sentences. Vowels can be flat.Logical formLearned from22 sentences. Vowels can be loose.Logical formLearned from22 sentences.