We do not segment speech so that a word begins with a sequence like "mp" because this is not a legitimate string of sounds at the start of English words. The type of information that concerns the way in which sounds co-occur in a language is called:

Question

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The type of information that concerns the way in which sounds co-occur in a language is called distributional information. It refers to the distribution or pattern of sounds within a language, including which sounds can occur together (e.g. "bl" at the beginning of English words, but not "bn"), and how often they occur in different contexts. Prosodic information refers to the rhythm, tone, and stress patterns of speech, while semantic and pragmatic information relate to meaning and context. Referential information pertains to the referents or objects referred to in speech.

We Do Not Segment Speech So That a Word Begins