ynic oneltic ynic aocmo zempa oncalaquizque yn intic yn calli = so that it was confirmed that never again will they [the sellers] enter the house.
Rebecca Horn, Postconquest Coyoacan: Nahua-Spanish Relations in Central Mexico, 1519–1650 (Stanford: Stanford University Press, 1997), 165, 320.
ynnic aocmo ceppa aquin tlein quitoz yn çatepan = so that no one will dispute anything again afterwards (Coyoacan, 1575)
Beyond the Codices, eds. Arthur J.O. Anderson, Frances Berdan, and James Lockhart (Los Angeles: UCLA Latin American Center, 1976), Doc. 21, 116–117.
Auh ceppa tecentlatalhuique in toiaovan in Tliliuhquitepeca, atetemoleque = Once our enemies, the people of Tliliuhquitepec and Atetemollanm had a conference about us
James Lockhart, We People Here: Nahuatl Accounts of the Conquest of Mexico, Repertorium Columbianum v. 1 (Los Angeles: UCLA Center for Medieval and Renaissance Studies, 1993), 228.
more common than cecpa (and note how ocpa can become oppa)
Frances Karttunen and James Lockhart, Nahuatl in the Middle Years: Language Contact Phenomena in Texts of the Colonial Period, Linguistics 85 (Los Angeles, University of California Publications, 1976), 101.