cob[6], bok[6], bot[6], koc[5], bon[5], kop[5], kot[5], kto[5], tok[5], pot[5], top[5], noc[4], nok[4], not[4], ton[4],
bo[4], co[3], ko[3], ok[3], op[3], po[3], ot[3], to[3], no[2], on[2],
