Warlpiri orthography uses only ordinary letters, with no accent marks.
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Warlpiri syllables are quite constrained in structure.
From the en.wikipedia.org
Warlpiri verbs are built from a few hundred verb roots, distributed among five conjugation classes.
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Walbiri: a language of Australian aborigines
The Warlpiri are a group of Indigenous Australians, many of whom speak the Warlpiri language. There are 5,000-6,000 Warlpiri, living mostly in a few towns and settlements scattered through their traditional land in Australia's Northern Territory, north and west of Alice Springs. ...
An Aboriginal language, mainly spoken in Central Australia and belonging to the Western Desert language group (Pama-Nyungan subfamily)