bece[7], obce[7], beto[7], emce[6], moce[6], tece[6], ocet[6], etom[6], meto[6], mote[6],
cob[6], bom[6], mob[6], bet[6], bot[6], bee[5], com[5], moc[5], met[5], tom[5], mee[4], eto[4],
be[4], bo[4], ce[3], em[3], me[3], co[3], om[3], et[3], te[3], ot[3], to[3], ee[2], eo[2],