cerek[7], ceper[7], perce[7], perek[7], spece[7], ceres[6], reces[6], serce[6], esker[6], serek[6],
crep[6], krep[6], spec[6], erce[5], erek[5], esce[5], esek[5], serc[5], kres[5], kser[5], reks[5], pers[5], eser[4],
cek[5], cep[5], cer[4], ker[4], rek[4], per[4], rep[4], ces[4], eks[4], sep[4], ser[3],
ce[3], pe[3], ee[2], er[2], re[2], es[2], se[2],
