kelp[7], klep[7], knel[6], kler[6], crep[6], krep[6], lepr[6], perl[6], nerp[5],
cek[5], cel[5], cle[5], lec[5], kel[5], kle[5], lek[5], cep[5], lep[5], pel[5], ple[5], cen[4], cne[4], len[4], nep[4], pen[4], cer[4], ker[4], rek[4], per[4], rep[4], ner[3], ren[3],
ce[3], el[3], pe[3], en[2], er[2], re[2],
