fob[9], fok[8], fot[8], fos[7], sof[7], cob[6], bok[6], bot[6], koc[5], kok[5], kot[5], kto[5], tok[5], soc[4], kos[4], sok[4], sto[4],
bo[4], co[3], ko[3], ok[3], ot[3], to[3], ts[3], os[2],