kopn[6], kopo[6], okop[6], opok[6], okno[5], opon[5], pono[5], kozo[5], pozo[5], nono[4], ozon[4], zono[4],
kop[5], nok[4], oko[4], non[3], ono[3], zon[3], zoo[3],
ko[3], ok[3], op[3], po[3], no[2], on[2], oz[2],
