toea[5], seat[5], seta[5], stoa[5], etos[5], oset[5], seto[5], stoo[5],
ata[4], ate[4], eta[4], tao[4], eto[4], oto[4], set[4], sto[4], asa[3], osa[3], oso[3],
at[3], ta[3], et[3], te[3], ot[3], to[3], ts[3], aa[2], eo[2], as[2], es[2], se[2], os[2],
