rock[6], kron[5], noks[5], skon[5], cors[5], kors[5], kros[5], skro[5], srok[5], norn[4],
koc[5], jon[5], jor[5], noc[4], nok[4], kor[4], kro[4], okr[4], ork[4], rok[4], soc[4], kos[4], sok[4], non[3], nor[3], nos[3], son[3], ros[3],
oj[4], co[3], ko[3], ok[3], no[2], on[2], or[2], ro[2], os[2],