bece[7], dece[6], emce[6], tece[6], esce[5], esem[5],
bet[6], bee[5], dem[5], edt[5], met[5], mee[4], ces[4], des[4], mes[4], sem[4], set[4],
be[4], ce[3], de[3], em[3], me[3], et[3], te[3], ts[3], ee[2], es[2], se[2],
