PANONA family of pattern-directed string processing languages based on generalised Markov algorithms. PANON-1 is based on simple generalised Markov algorithms and PANON-2 on conditional functional generalised Markov algorithms. ["String Processing Languages and Generalized Markov Algorithms", A. C. Forino, Proc IFIP Working Conf on Symb Manip Languages, pp.141-206, Amsterdam 1968].
PAM ♦ Pam ♦ Pandora ♦ panic ♦ PANON ♦ PANS ♦ Pansophic ♦ Pantone ♦ PAP ♦ Paper Feed Control Character
Try this search on Wikipedia, Wiktionary, Google, OneLook.