This results in a preference for liquids rather than glides in C 2 position since liquids are halfway between obstruents and vowels in most sonority scales. In contrast to this, the Sonority Dispersion Principle posits that in a C 1 C 2 V sequence, these three segments should be maximally and evenly dispersed (separated) from each other in terms of sonority, all else being equal (Clements 1990). Assuming the typical five-category sonority scale (vowel > glide > liquid > nasal > obstruent), sonority distance favors glides as the default (unmarked) class of segments in C 2 position since glides are higher in relative sonority than all other consonants. Minimum Sonority Distance is a general tendency by which specific languages may impose a parametric requirement that sonority rise by at least x ranks from C 1 to C 2 in a syllable-initial consonant cluster (Steriade 1982 Selkirk 1984). Specifically, I examine the claims of two extant models in accounting for bisegmental onsets that strictly follow the Sonority Sequencing Principle: the Minimum Sonority Distance approach and the Sonority Dispersion Principle. These facts further confirm the relevance and importance of the sonority hierarchy as a theoretical primitive of Universal Grammar. This study presents a corpus of data from several languages illustrating the typological range of variation among certain kinds of consonant clusters in syllableinitial position. 2007).Figure 2 is a typical representation of this scale, after Blevins (1995), where a capitalized A (for vowels) or a coronal segment in each segment class stands in for the segment class in general, a convention I will use in the remainder of this paper: R for rhotics, L for liquids, N for nasals, S for fricatives, and T for stops.
Intensity has recently been acknowledged as a good acoustic correlate for higher rank on the sonority scale (Parker 2008, Jany et al. A sonority scale with a fairly fixed ranking of segment classes grounded in phonetic substance is usually assumed to apply for syllabification in all languages, with some languageto-language variation in the rankings of similarly high-or low-sonority segments, i.e. Syllabicity and the sonority scale Syllabification is widely said to make reference to the sonority of the individual segments of the input string (Clements 1990, Blevins 1995, Zec 1995).
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