ceku[8], kuce[8], ruck[8], ceru[7], keru[7], reku[7], erce[5], erek[5],
kuc[7], ecu[6], cru[6], kur[6], cek[5], cer[4], ker[4], rek[4],
ku[5], ce[3], ee[2], er[2], re[2],