kelp[7], klep[7], grek[7], kler[6], krep[6], lepr[6], perl[6],
keg[6], leg[6], kek[5], kel[5], kle[5], lek[5], lep[5], pel[5], ple[5], erg[5], ker[4], rek[4], per[4], rep[4],
el[3], pe[3], er[2], re[2],
