The phonotactics of toki pona make certain sound combinations illegal within a word, for example, aei can't be a word (too many vowels in a row), nor can ipap (can't end in consonant other than n), and none of the following can be substrings of the word: "ji", "wu", "wo", "ti", "nm", "nn"
Sandhi is how these rules play out at word boundaries. Here are all the word pairs that violate one the rules for internal sandhi, mostly vowel-vowel violations, and a few n/n and n/m violations. No word ends in j, w or t, so those violations never happen.
I suspect that if this were a spoken language, people would invent a glottal stop for the vowel/vowel sandhi and assimilate nm/nn into a single m or n sound.
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jan Sonja, which isn't me. All Content create by me is Creative Commons, by Attribution. Feel free to make derivatives to the extent you can or want to. The toki pona corpus texts come from a variety of locations and I believe its usage is acceptable, noncommercial fair use. If you don't think so, email me tokipona@suburbandestiny.com and tell me what document is yours and I will remove it.

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