Language name and locationː O'du, Nghe An, Vietnam, Laos [Refer to Ethnologue]
语言名称和分布地区: 奥杜语 (泰哈特语 Tayhat)), 越南中北沿海地区义安省及老挝北部

1. dəəj

21.  sau et

2. baar

22.  sau sɔŋ

3. pɛj

23.  sau sam

4. pan

24.  sau si

5. sɔɔŋ

25.  sau ha

6. tuul

26.  sau hok

7. kyguul

27.  sau tɕet

8. kntɛj

28.  sau pɛt

9. kndrooŋ

29.  sau kau

10. kngool

30.  sam sip

11. kngool dəəj  / et

40.  si sip

12. sip sɔŋ < Tai language

50.  ha sip

13. sip sam

60.  hok sip

14. sip si

70.  tɕet sip

15. sip ha

80.  pɛt sip

16. sip hok

90.  kau sip

17. sip tɕet

100. lɔi

18. sip pɛt

200. sɔŋ lɔi

19. sip kau

1000. pan

20. sau

2000. sɔŋ pan

Linguist providing data and dateː Dr. Michael Ferlus, CNRS (Centre Nationale de Recherche Scientifique), Paris, France, April 6, 1999.
提供资料的语言学家: Dr. Michael Ferlus, 1999 年 4 月 6 日.

Other comments: O'du or Tayhat has traditional Mon-Khmer numerals from one to ten, they might borrow numerals from Tai language after ten. O'du or Tayhat is spoken by approximately 1,000 speakers in Tuong Duong district, Nga My commune, Nghe An province, Vietnam as well as Laos.