chen[7], cher[7], herc[7], henn[6], henr[6],
fen[7], nef[7], ref[7], che[6], ech[6], hec[6], cek[5], hen[5], her[5], cen[4], cne[4], cer[4], ker[4], rek[4], ner[3], ren[3],
ef[6], fe[6], eh[4], he[4], ce[3], en[2], er[2], re[2],
