kocu[8], ruck[8], kuro[7], orku[7], roku[7], urok[7], rock[6],
kuc[7], oku[6], cru[6], kur[6], koc[5], oru[5], kor[4], kro[4], okr[4], ork[4], rok[4],
ku[5], co[3], ko[3], ok[3], or[2], ro[2],
