&pi ?&pi &alpha &alpha &pi ? ?&mu &omicron &rho &phi &epsilon &sigmaf ?&phi &eta &beta &epsilon &sigmaf &mu &epsilon ?&mu &omicron &rho &phi &omicron &pi &rho ?&sigma &omega &pi &omicron &alpha &pi ? 18 &chi &rho &omicron &nu ?&nu &kappa &alpha &amp up