i've already installed "rrdtool" but that was no help, too.
But the "fc-list" could do the trick... the output looks a little bit strange:
ejné,Standard,Îανονικά,Normaali,Normál,Normale,Standaard,Normalny,ÐбÑÑнÑй,Normálne,Navadno,Arrunta
Luxi...