Consonant clusters occur only word-medially and over syllable boundaries. The IPA defines a vowel as a sound which occurs at a syllable center. We can list briefly the effect of prosody on the vowel component of a syllable. Consonants allowed in syllable codas are . They instead influence the consonant of the next syllable. An iambic foot is an unstressed syllable followed by a stressed syllable. Pronouncing as is a way to emphasise the syllable. Most Nahuatl dialects have stress on the penultimate syllable of a word. The word should be pronounced with the stress on the first syllable. Word-accent is usually on the last syllable in most words. The stress is always placed on the first syllable of each word. Stress falls on the initial syllable of a word. Stress is generally on the first syllable of a word. It is pronounced with stress on the second syllable. Stress in Khmer falls on the final syllable of a word.