uboi[8], beru[8], bure[8], erbu[8], biur[8], boru[8], buro[8], obie[6], brei[6], brie[6], bero[6], ober[6], brio[6], broi[6], robi[6], euro[6], uroi[6],
obu[7], bru[7], bur[7], boi[5], obi[5], ber[5], erb[5], reb[5], bor[5], rob[5], rui[5], oru[5], iii[3], rei[3], ero[3], roi[3],
bu[6], be[4], bi[4], bo[4], ii[2], eo[2], er[2], re[2], or[2], ro[2],
