kię[8], krę[8], erę[7], kei[4], kie[4], eko[4], kio[4], koi[4], ker[4], rek[4], ikr[4], kir[4], kor[4], kro[4], okr[4], ork[4], rok[4], rei[3], ero[3], roi[3],
ki[3], ko[3], ok[3], ee[2], eo[2], er[2], re[2], or[2], ro[2],