The semivowels and alternate with the vowels and respectively. The semivowels and are written and . The latter text adds that final semivowels (excluding r) are also incompletely articulated. One blurry area is in segments variously called "semivowels", "semiconsonants", or "glides". Another set is the semivowels and the glottal fricative between vowels. The semivowels and are usually pronounced as in English. Genoese has eight vowels, twenty consonants, and three semivowels. The Cree language also has two semivowels. A number of phoneticians distinguish between semivowels and approximants by their location in a syllable. The distinction between protruded and compressed holds for the semivowels and as well as labialization. The ATR-harmony requirement extends to the semivowels , . Semivowels, by definition, contrast with vowels by being non-syllabic. The semivowels and can occur between consonant and vowel in some syllables. The semivowels still behave as consonants in clusters. This insertion does not occur before semivowels such as or in certain specific combinations.