farse afrse frase rfase arfse rafse fasre afsre fsare sfare asfre safre frsae rfsae fsrae sfrae rsfae srfae arsfe rasfe asrfe sarfe rsafe srafe fares afres fraes rfaes arfes rafes faers afers fears efars aefrs eafrs freas rfeas feras efras refas erfas arefs raefs aerfs earfs reafs erafs faser afser fsaer sfaer asfer safer faesr afesr feasr efasr aefsr eafsr fsear sfear fesar efsar sefar esfar asefr saefr aesfr easfr seafr esafr frsea rfsea fsrea sfrea rsfea srfea fresa rfesa fersa efrsa refsa erfsa fsera sfera fesra efsra sefra esfra rsefa srefa resfa ersfa serfa esrfa arsef rasef asref saref rsaef sraef aresf raesf aersf earsf reasf erasf aserf saerf aesrf easrf searf esarf rseaf sreaf resaf ersaf seraf esraf
Note: these 'words' (valid or invalid) are all the permutations of the word farse. These words are obtained by scrambling the letters in farse.