herb[8], beru[8], bure[8], erbu[8], erhu[8], biur[8], puer[7], repu[7], brei[6], brie[6], peri[5],
hub[9], pub[8], phu[8], puh[8], bru[7], bur[7], hep[6], hip[6], phi[6], piu[6], ber[5], erb[5], reb[5], her[5], rui[5], pie[4], per[4], rep[4], rei[3],
bu[6], hu[6], be[4], eh[4], he[4], bi[4], hi[4], pe[3], pi[3], ii[2], er[2], re[2],