Dative, accusative and ablative article of plural proper nouns: ⊗ Pedro quen Juan, for, with, from, etc. Pedro and Juan.
Article of the relative pronoun quienes: ¿ ⊗ asíno? for whom or which ones?
It also enters into forming the dative, accusative and ablative article of plural appellative nouns, personal pronouns and demonstrative pronouns: ⊗ guiti táo, for, with, etc. the men; ⊗ tá, camí, cayó, etc., for the two of us, for us, for you all, etc.