serrae esrrae srerae rserae ersrae resrae serrae esrrae srerae rserae ersrae resrae srreae rsreae srreae rsreae rrseae rrseae errsae rersae errsae rersae rresae rresae serare esrare sreare rseare ersare resare searre esarre saerre aserre easrre aesrre sraere rsaere sarere asrere rasere arsere erasre reasre earsre aersre raesre aresre serare esrare sreare rseare ersare resare searre esarre saerre aserre easrre aesrre sraere rsaere sarere asrere rasere arsere erasre reasre earsre aersre raesre aresre srraee rsraee srraee rsraee rrsaee rrsaee sraree rsaree sarree asrree rasree arsree sraree rsaree sarree asrree rasree arsree rrasee rrasee rarsee arrsee rarsee arrsee errase rerase errase rerase rrease rrease erarse rearse earrse aerrse raerse arerse erarse rearse earrse aerrse raerse arerse rraese rraese rarese arrese rarese arrese serrea esrrea srerea rserea ersrea resrea serrea esrrea srerea rserea ersrea resrea srreea rsreea srreea rsreea rrseea rrseea errsea rersea errsea rersea rresea rresea serera esrera sreera rseera ersera resera seerra eserra seerra eserra eesrra eesrra sreera rseera serera esrera resera ersera eresra reesra eersra eersra reesra eresra serera esrera sreera rseera ersera resera seerra eserra seerra eserra eesrra eesrra sreera rseera serera esrera resera ersera eresra reesra eersra eersra reesra eresra srreea rsreea srreea rsreea rrseea rrseea srerea rserea serrea esrrea resrea ersrea srerea rserea serrea esrrea resrea ersrea rresea rresea rersea errsea rersea errsea erresa reresa erresa reresa rreesa rreesa erersa reersa eerrsa eerrsa reersa erersa erersa reersa eerrsa eerrsa reersa erersa rreesa rreesa reresa erresa reresa erresa seraer esraer sreaer rseaer ersaer resaer searer esarer saerer aserer easrer aesrer sraeer rsaeer sareer asreer raseer arseer eraser reaser earser aerser raeser areser serear esrear sreear rseear ersear resear seerar eserar seerar eserar eesrar eesrar sreear rseear serear esrear resear ersear eresar reesar eersar eersar reesar eresar seaerr esaerr saeerr aseerr easerr aeserr seearr esearr seearr esearr eesarr eesarr saeerr aseerr seaerr esaerr aeserr easerr eaesrr aeesrr eeasrr eeasrr aeesrr eaesrr sraeer rsaeer sareer asreer raseer arseer sreaer rseaer seraer esraer resaer ersaer saerer aserer searer esarer aesrer easrer raeser areser reaser eraser aerser earser eraesr reaesr earesr aeresr raeesr areesr ereasr reeasr eerasr eerasr reeasr ereasr eaersr aeersr eearsr eearsr aeersr eaersr raeesr areesr reaesr eraesr aeresr earesr seraer esraer sreaer rseaer ersaer resaer searer esarer saerer aserer easrer aesrer sraeer rsaeer sareer asreer raseer arseer eraser reaser earser aerser raeser areser serear esrear sreear rseear ersear resear seerar eserar seerar eserar eesrar eesrar sreear rseear serear esrear resear ersear eresar reesar eersar eersar reesar eresar seaerr esaerr saeerr aseerr easerr aeserr seearr esearr seearr esearr eesarr eesarr saeerr aseerr seaerr esaerr aeserr easerr eaesrr aeesrr eeasrr eeasrr aeesrr eaesrr sraeer rsaeer sareer asreer raseer arseer sreaer rseaer seraer esraer resaer ersaer saerer aserer searer esarer aesrer easrer raeser areser reaser eraser aerser earser eraesr reaesr earesr aeresr raeesr areesr ereasr reeasr eerasr eerasr reeasr ereasr eaersr aeersr eearsr eearsr aeersr eaersr raeesr areesr reaesr eraesr aeresr earesr srraee rsraee srraee rsraee rrsaee rrsaee sraree rsaree sarree asrree rasree arsree sraree rsaree sarree asrree rasree arsree rrasee rrasee rarsee arrsee rarsee arrsee srreae rsreae srreae rsreae rrseae rrseae srerae rserae serrae esrrae resrae ersrae srerae rserae serrae esrrae resrae ersrae rresae rresae rersae errsae rersae errsae sraere rsaere sarere asrere rasere arsere sreare rseare serare esrare resare ersare saerre aserre searre esarre aesrre easrre raesre aresre reasre erasre aersre earsre sraere rsaere sarere asrere rasere arsere sreare rseare serare esrare resare ersare saerre aserre searre esarre aesrre easrre raesre aresre reasre erasre aersre earsre rraese rraese rarese arrese rarese arrese rrease rrease rerase errase rerase errase raerse arerse rearse erarse aerrse earrse raerse arerse rearse erarse aerrse earrse erraes reraes erraes reraes rreaes rreaes erares reares earres aerres raeres areres erares reares earres aerres raeres areres rraees rraees rarees arrees rarees arrees erreas rereas erreas rereas rreeas rreeas ereras reeras eerras eerras reeras ereras ereras reeras eerras eerras reeras ereras rreeas rreeas rereas erreas rereas erreas eraers reaers earers aerers raeers areers erears reears eerars eerars reears erears eaerrs aeerrs eearrs eearrs aeerrs eaerrs raeers areers reaers eraers aerers earers eraers reaers earers aerers raeers areers erears reears eerars eerars reears erears eaerrs aeerrs eearrs eearrs aeerrs eaerrs raeers areers reaers eraers aerers earers rraees rraees rarees arrees rarees arrees rreaes rreaes reraes erraes reraes erraes raeres areres reares erares aerres earres raeres areres reares erares aerres earres
Note: these 'words' (valid or invalid) are all the permutations of the word serrae. These words are obtained by scrambling the letters in serrae.