bera[6], rabe[6], arbo[6], baor[6], bora[6], roba[6], bero[6], ober[6],
abo[5], boa[5], oba[5], arb[5], bar[5], rab[5], ber[5], erb[5], reb[5], bor[5], rob[5], era[3], rea[3], aro[3], ora[3], ero[3],
ba[4], be[4], bo[4], eo[2], ar[2], er[2], re[2], or[2], ro[2],
