kopr[6], krop[6], wkop[6], korz[5], worz[4],
kop[5], kor[4], kro[4], okr[4], ork[4], rok[4], por[4], pro[4], rop[4], kwo[4], wok[4], rwo[3], orz[3],
ko[3], ok[3], op[3], po[3], or[2], ro[2], oz[2],
