epik[10], piek[10], pike[10], vier[9], grip[8], peri[7], pier[7], prei[7], gier[5],
pik[9], kir[6], per[6], rep[6], gei[4], erg[4], ger[4], reg[4], ire[3],
pi[5], ei[2], er[2], re[2],
