n_max PhoneticRepresentationPLX_{1,n_max} PhoneticRepresentationPLX_{2,n_max} ... . . . PhoneticRepresentationPLX_{k_n_max,n_max} ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ n_max - 1 PhoneticRepresentationPLX_{1,n_max - 1} PhoneticRepresentationPLX_{2,n_max - 1} ... . . . PhoneticRepresentationPLX_{m_n_max,n_max - 1} ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ... . . . ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 0 PhoneticRepresentationPLX_{1,0} PhoneticRepresentationPLX_{2,0} ... . . . PhoneticRepresentationPLX_{p_n_max,0} ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~