kelp[7], klep[7], kler[6], crep[6], krep[6], lepr[6], perl[6],
cek[5], cel[5], cle[5], lec[5], kel[5], kle[5], lek[5], cep[5], lep[5], pel[5], ple[5], cer[4], ker[4], rek[4], per[4], rep[4],
ce[3], el[3], pe[3], er[2], re[2],
