efem[9], efom[9], memy[7], myom[7], omem[6], omom[6],
efy[8], fee[7], efo[7], mym[6], mem[5], omy[5], mee[4], omo[4],
ef[6], fe[6], my[4], em[3], me[3], om[3], ee[2], eo[2],
