In all dialects, vowels have longer variants in monosyllables. Long open monosyllables such as are sometimes totally elided, and sometimes merely shortened. In prose, which syllables receive emphasis within a string of monosyllables can be very open. Hmong is an isolating language in which most morphemes are monosyllables. Calls are high-pitched, buzzing or trilling monosyllables. All word roots are monosyllables ending with a consonant. Most roots (70%) are disyllabic; about 20% are monosyllables and 10% trisyllables. They exhibit reduced activity and slowness, and can speak in whispered monosyllables. "Sweet Afton" contains a number of monosyllables, which contribute to a gentle, soothing rhythm. In monosyllables, the short accent was lengthened. Unlike in many Australian languages, monosyllables of all word classes are frequent in Kuuk Thaayorre. When nervous he starts to speak in monosyllables. Antonia Till remarks that the poem consists mainly of monosyllables with the occasional disyllable. Comatose, but will answer in monosyllables if aroused. Exceptionally, monosyllables ending in "es" are pronounced with the rhyme , e.g., "pes, res".