6161
Eskimo–Aleut languages possess voiceless plosives at the bilabial , coronal , velar and uvular positions in all languages except Aleut , which has lost the bilabial stops but retained the nasal .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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