bej[7], jeb[7], bij[7], bid[6], dej[6], bek[6], kej[6], kij[6], pij[6], dek[5], dip[5], kip[5], kpi[5], pik[5], kei[4], kie[4], pie[4],
be[4], bi[4], ej[4], je[4], de[3], id[3], ki[3], pe[3], pi[3],
