frosh rfosh forsh ofrsh rofsh orfsh frsoh rfsoh fsroh sfroh rsfoh srfoh fosrh ofsrh fsorh sforh osfrh sofrh rosfh orsfh rsofh srofh osrfh sorfh frohs rfohs forhs ofrhs rofhs orfhs frhos rfhos fhros hfros rhfos hrfos fohrs ofhrs fhors hfors ohfrs hofrs rohfs orhfs rhofs hrofs ohrfs horfs frsho rfsho fsrho sfrho rsfho srfho frhso rfhso fhrso hfrso rhfso hrfso fshro sfhro fhsro hfsro shfro hsfro rshfo srhfo rhsfo hrsfo shrfo hsrfo foshr ofshr fsohr sfohr osfhr sofhr fohsr ofhsr fhosr hfosr ohfsr hofsr fshor sfhor fhsor hfsor shfor hsfor oshfr sohfr ohsfr hosfr shofr hsofr roshf orshf rsohf srohf osrhf sorhf rohsf orhsf rhosf hrosf ohrsf horsf rshof srhof rhsof hrsof shrof hsrof oshrf sohrf ohsrf hosrf shorf hsorf
Note: these 'words' (valid or invalid) are all the permutations of the word frosh. These words are obtained by scrambling the letters in frosh.