raycs arycs ryacs yracs ayrcs yarcs racys arcys rcays crays acrys carys rycas yrcas rcyas cryas ycras cyras aycrs yacrs acyrs cayrs ycars cyars raysc arysc ryasc yrasc ayrsc yarsc rasyc arsyc rsayc srayc asryc saryc rysac yrsac rsyac sryac ysrac syrac aysrc yasrc asyrc sayrc ysarc syarc racsy arcsy rcasy crasy acrsy carsy rascy arscy rsacy sracy asrcy sarcy rcsay crsay rscay srcay csray scray acsry casry ascry sacry csary scary rycsa yrcsa rcysa crysa ycrsa cyrsa rysca yrsca rsyca sryca ysrca syrca rcsya crsya rscya srcya csrya scrya ycsra cysra yscra sycra csyra scyra aycsr yacsr acysr caysr ycasr cyasr ayscr yascr asycr saycr ysacr syacr acsyr casyr ascyr sacyr csayr scayr ycsar cysar yscar sycar csyar scyar
Note: these 'words' (valid or invalid) are all the permutations of the word raycs. These words are obtained by scrambling the letters in raycs.