bid[6], bod[6], bok[6], boi[5], obi[5], dok[5], kod[5], dip[5], kip[5], kpi[5], pik[5], pod[5], kop[5], doi[4], ido[4], kio[4], koi[4], poi[4],
bi[4], bo[4], id[3], ki[3], do[3], od[3], ko[3], ok[3], pi[3], op[3], po[3],
