yelps eylps yleps lyeps elyps leyps yepls eypls ypels pyels epyls peyls ylpes lypes yples pyles lpyes plyes elpys lepys eplys pelys lpeys pleys yelsp eylsp ylesp lyesp elysp leysp yeslp eyslp yselp syelp esylp seylp ylsep lysep yslep sylep lsyep slyep elsyp lesyp eslyp selyp lseyp sleyp yepsl eypsl ypesl pyesl epysl peysl yespl eyspl ysepl syepl esypl seypl ypsel pysel yspel sypel psyel spyel epsyl pesyl espyl sepyl pseyl speyl ylpse lypse yplse pylse lpyse plyse ylspe lyspe yslpe sylpe lsype slype ypsle pysle ysple syple psyle spyle lpsye plsye lspye slpye pslye splye elpsy lepsy eplsy pelsy lpesy plesy elspy lespy eslpy selpy lsepy slepy epsly pesly esply seply psely spely lpsey plsey lspey slpey psley spley
Note: these 'words' (valid or invalid) are all the permutations of the word yelps. These words are obtained by scrambling the letters in yelps.