2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/166920We propose a simple new combinatorial model to study spaces of acyclic Jacobi diagrams, in which they are identified with algebras of words modulo operations. This provides a starting point for a word-problem type combinatorial investigation of such spaces, and provides fresh insights on known results.18 pages, 7 figures. Refernces added. Section 2 rewritten. Proof of Theorem 1.1 rewritten. To appear in Kobe J. MathQuantum AlgebraRings and Algebras57M27, 17B01text