Comaltepec,  Santa Elena
Yucu Siyo

comal-li:  comal 
tepe-tl:  hill
-c(o): locative suffix
"Hill of the Comal"

yucu:  hill
siyo:  comal
"Hill of the Comal"

Mary Elizabeth Smith, Picture Writing in Ancient Southern Mexico: Mixtec Place Signs and Maps, Civilization of the American Indian Series 124 (Norman: University of Oklahoma Press, 1973) 79.

Codex Selden, page 15.