felc[10], elfy[10], fyle[10], chyl[9], hecy[8], hyle[8],
elf[8], efy[8], hyc[7], che[6], ech[6], hec[6], hel[6], cel[5], cle[5], lec[5],
ef[6], fe[6], eh[4], he[4], ce[3], el[3],
