efir[8], kije[7], erki[5], kier[5], reki[5],
fik[8], ref[7], kej[6], kij[6], jer[5], rej[5], kei[4], kie[4], kii[4], ker[4], rek[4], ikr[4], kir[4], rei[3],
ef[6], fe[6], fi[6], ej[4], je[4], ki[3], ii[2], er[2], re[2],