betem[9], betom[9], botem[9], botom[9], meteo[7],
boom[7], obom[7], beto[7], boot[7], etom[6], meto[6], mote[6],
bom[6], mob[6], bet[6], bot[6], bee[5], met[5], tom[5], mee[4], omo[4], eto[4], oto[4],
be[4], bo[4], em[3], me[3], om[3], et[3], te[3], ot[3], to[3], ee[2], eo[2],
