Vowels may undergo an introduction.Logical formLearned from2 sentences. Vowels may be lowered.Logical formLearned from2 sentences. Nasal vowels may be indicated with a tilde.Logical formLearned from2 sentences. A tilde may mark nasal vowels.Logical formLearned from2 sentences. Vowels may undergo a darkening.Logical formLearned from2 sentences. Vowels may be marked with an acute accent.Logical formLearned from2 sentences. Vowels may have a (length contrast).Logical formLearned from2 sentences. Vowels can be unvoiced.Logical formLearned from2 sentences. Nasal consonants may be followed by some vowel.Logical formLearned from2 sentences. A vowel can be unmarked.Logical formLearned from2 sentences. Vowels can be harmonic.Logical formLearned from2 sentences. Nasal vowels may contrast with oral vowels.Logical formLearned from2 sentences. Nasal vowels can be unusual for a language.Logical formLearned from2 sentences. A vowel may undergo a deletion.Logical formLearned from2 sentences. Some vowels may occur in closed syllables.Logical formLearned from2 sentences.