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The Alur language has no officially accepted orthography. However, informal conventions have been established in written materials and road signs.
First, there is usually no written tonal distinction. Second, the phonemic distinction between /ŋ/ and /ng/ is occasionally reflected in the orthography, with /ŋ/ represented by 'ŋ' and /ng/ represented by 'ng'. However, /ŋ/ is also frequently written as 'ng', confusing it orthographically with /ng/.