 maʔ ʔɑ̃ʔm
maʔ ∅-ⁿʔaʔm
PERF 3B-1A-see
‘I saw him/her/it
maʔ kʔaʔm

maʔ k+ʔaʔm

PERF 1B+see

‘She/he/it saw me.’
Ergativity split in the Imperfective tense (using Set A)

ʔuw̃ɛ̃j
ʔu+ -wɛj
IMPFV+1A-howl
‘I am howling.’ 
maʔ kwɛj

maʔ # k+wɛj

PERF # 1B+howl

‘I howled.’
kwɛːjp

k+wɛj-p

1B+howl-FUT

‘I will howl.’

(Reilly 2004b, 8)”

Once believed that native words for many numbers had been lost with the assimilation of Spanish, a little-known word list compiled by Dr. Eustorjio Calderón in 1892 was lost for some time which now “provides comparative data for number systems used in Oluta, Sayula, and Texistepec, in southern Veracruz, Mexico.The data are surprisingly accurate, considering that they were collected by a medical doctor who made a hobby of collecting word lists of little-known languages.