cob[6], bok[6], kog[6], bom[6], mob[6], koc[5], com[5], moc[5], kom[5], bon[5], gon[5], noc[4], nok[4], mon[4], nom[4],
bo[4], go[4], co[3], ko[3], ok[3], om[3], no[2], on[2],
