Commutation and Beyond -- Church-Rosser Systems, Codes with Bounded Synchronization Delay and Local Rees Extensions -- Overpals, Underlaps, and Underpals -- On Some Interesting Trnary Formulas -- Minimal Forbidden Factors of Circular Words -- A de Brujin Sequence Construction by Concatenating Cycles of the Complemented Cycling Register -- On Words with the Zero Palindromic Defect -- Equations Enforcing Repetitions under Permutations -- Matching Lexicographic and Conjugation Orders on the Conjugation Class of a Special Sturmian Morphism -- More on the Dynamics of the Symbolic Square Root Map -- Study of Christoffel Classes: Normal Form and Periodicity -- On Arithmetic Index in the Generalized Thue-Morse Word -- Complexité abélienne du mot de Thue-Morse sur un alphabet ternaire -- A Set of Sequences of Complexity 2n + 1 -- The Word Entropy and How to Compute It -- First Steps in the Algorithmic Reconstruction of Digital Convex Sets -- . Variants around the Bresenham Method -- Combinatorics of Cyclic Shifts in Plactic, Hypoplactic, Sylvester, and Related Monoids -- Palindromic Length in Free Monoids and Free Groups -- Invariance: a Theoretical Approach for Coding Sets of Words Modulo Literal (Anti)Morphisms -- Burrows-Wheeler Transform and Run-Length Enconding -- A Permutation on Words in a Two Letter Alphabet -- Symmetric Dyck paths and Hooley's Delta-function.