yarfa ayrfa yrafa ryafa aryfa rayfa yafra ayfra yfara fyara afyra fayra yrfaa ryfaa yfraa fyraa rfyaa fryaa arfya rafya afrya farya rfaya fraya yaraf ayraf yraaf ryaaf aryaf rayaf yaarf ayarf yaarf ayarf aayrf aayrf yraaf ryaaf yaraf ayraf rayaf aryaf arayf raayf aaryf aaryf raayf arayf yafar ayfar yfaar fyaar afyar fayar yaafr ayafr yaafr ayafr aayfr aayfr yfaar fyaar yafar ayfar fayar afyar afayr faayr aafyr aafyr faayr afayr yrfaa ryfaa yfraa fyraa rfyaa fryaa yrafa ryafa yarfa ayrfa rayfa aryfa yfara fyara yafra ayfra fayra afyra rfaya fraya rafya arfya farya afrya arfay rafay afray faray rfaay fraay arafy raafy aarfy aarfy raafy arafy afary faary aafry aafry faary afary rfaay fraay rafay arfay faray afray
Note: these 'words' (valid or invalid) are all the permutations of the word yarfa. These words are obtained by scrambling the letters in yarfa.