Language name and location: Momu, Papua New Guinea [Refer to Ethnologue]
语言名称和分布地区:  莫穆语 (法斯语 Fas), 巴布亚新几内亚岛西北部桑道恩省

1. fasni

2. nəʙəm

3. nəʙə(m) əf

4. nəʙəm nəʙəm (2 +2)

5. nəʙəm nəʙə(m) əf

6. nəʙəm nəʙəm nəʙəm (2 +2+2)

7. nəʙəm nəʙəm nəʙəm əf

8. nəʙəm nəʙəm nəʙəm nəʙəm (2 +2+2 +2)

9. and so on...

Linguist providing data and dateː Dr. Tom Honeyman, Department of Linguistics, The Australian National University, Canberra, Australia. April 14, 2010. 
提供资料的语言学家: Dr. Tom Honeyman, 2010 年 4 月 11 日.

Other comments: Momu or Fas has a binary counting system. Note that the [ʙ] is a bilabial trill, in free variation with [β] the bilabial fricative. ə is a schwa. Momu is spoken by about 2,500 speakers in Fas, Fugumui, Kilifas, Utai, and Wara Mayu villages, Amanab and Aitape districts, Sandaun province, Papua New Guinea.