bucu[11], pubu[11], pucu[10], buce[9], cepu[8], puce[8], puco[8], obce[7], obco[7], poco[6],
buu[9], buc[8], pub[8], obu[7], cup[7], puc[7], cob[6], ecu[6], opu[6], cep[5],
bu[6], uu[6], be[4], bo[4], ce[3], co[3], pe[3], op[3], po[3], eo[2],
