Μειωμένη ροη περιόδου

Question

&Gamma;&epsilon;&iota;&alpha; &sigma;&alpha;&sigmaf; ! &Epsilon;&chi;&epsilon;&iota; &delta;&upsilon;&omicron; &mu;ή&nu;&epsilon;&sigmaf; &pi;&omicron;&upsilon; &epsilon;&chi;&omega; &pi;&alpha;&rho;&alpha;&tau;&eta;&rho;ή&sigma;&epsilon;&iota; &mu;&epsilon;&iota;&omega;&mu;έ&nu;&eta; &rho;&omicron;&eta; &sigma;&tau;&eta;&nu; &pi;&epsilon;&rho;&iota;&omicron;&delta;&omicron; &mu;&omicron;&upsilon; . &Nu;&alpha; &sigma;&alpha;&sigmaf; &epsilon;&nu;&eta;&mu;&epsilon;&rho;ώ&sigma;&omega; &omicron;&tau;&iota; &pi;&rho;&iota;&nu; &tau;έ&sigma;&sigma;&epsilon;&rho;&iota;&sigmaf; &mu;ή&nu;&epsilon;&sigmaf; &alpha;&nu;&alpha;&gamma;&kappa;&alpha;&sigma;&tau;&iota;&kappa;ά &pi;ή&rho;&alpha; &tau;&omicron; &chi;ά&pi;&iota; &tau;&eta;&sigmaf; &epsilon;&pi;ό&mu;&epsilon;&nu;&eta;&sigmaf; &mu;έ&rho;&alpha;&sigmaf; &kappa;&alpha;&theta;ώ&sigmaf; &mu;&epsilon; &tau;&omicron;&nu; &sigma;ύ&nu;&tau;&rho;&omicron;&phi;&omicron; &mu;&omicron;&upsilon; &epsilon;ί&chi;&alpha;&mu;&epsilon; &epsilon;&nu;&alpha; &alpha;&tau;ύ&chi;&eta;&mu;&alpha;. &Theta;&alpha; &eta;&theta;&epsilon;&lambda;&alpha; &nu;&alpha; &sigma;&alpha;&sigmaf; &rho;&omega;&tau;ή&sigma;&omega; &alpha;&mu;&alpha; &eta; &mu;&epsilon;&iota;&omega;&mu;έ&nu;&eta; &rho;&omicron;&eta; &epsilon;&iota;&nu;&alpha;&iota; &alpha;&nu;&eta;&sigma;&upsilon;&chi;&eta;&tau;&iota;&kappa;ή &kappa;&alpha;&iota; &alpha;&mu;&alpha; &epsilon;&chi;&epsilon;&iota; &kappa;&alpha;&mu;ί&alpha; &sigma;&chi;&epsilon;&sigma;&eta; &mu;&epsilon; &tau;&omicron; &chi;ά&pi;&iota;. &Sigma;&alpha;&sigmaf; &Epsilon;&upsilon;&chi;&alpha;&rho;&iota;&sigma;&tau;&omega; &pi;&omicron;&lambda;&upsilon; &gamma;&iota;&alpha; &tau;&omicron; &chi;&rho;ό&nu;&omicron; &sigma;&alpha;&sigmaf; &nu;&alpha; &epsilon;ί&sigma;&tau;&epsilon; &kappa;&alpha;&lambda;&alpha; !