kojo[7], sojo[6], okno[5], noks[5], skon[5], koso[5], osok[5], nono[4],
jon[5], nok[4], oko[4], kos[4], sok[4], non[3], ono[3], nos[3], son[3], oso[3],
oj[4], ko[3], ok[3], no[2], on[2], os[2],