derek[7], kerem[7], perek[7], repem[7], reper[6],
kpem[7], emek[6], peem[6], kred[6], derm[6], krem[6], merk[6], krep[6], perm[6], erek[5], erem[5],
dek[5], dem[5], kem[5], mee[4], der[4], red[4], ker[4], rek[4], mer[4], rem[4], per[4], rep[4], drr[4], prr[4],
de[3], em[3], me[3], pe[3], ee[2], er[2], re[2],
