kopno[7], opoko[7], konno[6], opono[6], okowo[6],
kopn[6], kopo[6], okop[6], opok[6], wkop[6], okno[5], opon[5], pono[5], woko[5], nono[4], nowo[4],
kop[5], nok[4], oko[4], kwo[4], wok[4], non[3], ono[3], won[3], owo[3],
ko[3], ok[3], op[3], po[3], no[2], on[2],
