sirree isrree sriree rsiree irsree risree sirree isrree sriree rsiree irsree risree srriee rsriee srriee rsriee rrsiee rrsiee irrsee rirsee irrsee rirsee rrisee rrisee sirere isrere sriere rsiere irsere risere sierre iserre seirre esirre iesrre eisrre sreire rseire serire esrire resire ersire iresre riesre iersre eirsre reisre erisre sirere isrere sriere rsiere irsere risere sierre iserre seirre esirre iesrre eisrre sreire rseire serire esrire resire ersire iresre riesre iersre eirsre reisre erisre srreie rsreie srreie rsreie rrseie rrseie srerie rserie serrie esrrie resrie ersrie srerie rserie serrie esrrie resrie ersrie rresie rresie rersie errsie rersie errsie irrese rirese irrese rirese rriese rriese irerse rierse ierrse eirrse reirse erirse irerse rierse ierrse eirrse reirse erirse rreise rreise rerise errise rerise errise sirree isrree sriree rsiree irsree risree sirree isrree sriree rsiree irsree risree srriee rsriee srriee rsriee rrsiee rrsiee irrsee rirsee irrsee rirsee rrisee rrisee sirere isrere sriere rsiere irsere risere sierre iserre seirre esirre iesrre eisrre sreire rseire serire esrire resire ersire iresre riesre iersre eirsre reisre erisre sirere isrere sriere rsiere irsere risere sierre iserre seirre esirre iesrre eisrre sreire rseire serire esrire resire ersire iresre riesre iersre eirsre reisre erisre srreie rsreie srreie rsreie rrseie rrseie srerie rserie serrie esrrie resrie ersrie srerie rserie serrie esrrie resrie ersrie rresie rresie rersie errsie rersie errsie irrese rirese irrese rirese rriese rriese irerse rierse ierrse eirrse reirse erirse irerse rierse ierrse eirrse reirse erirse rreise rreise rerise errise rerise errise sireer isreer srieer rsieer irseer riseer sierer iserer seirer esirer iesrer eisrer sreier rseier serier esrier resier ersier ireser rieser ierser eirser reiser eriser sireer isreer srieer rsieer irseer riseer sierer iserer seirer esirer iesrer eisrer sreier rseier serier esrier resier ersier ireser rieser ierser eirser reiser eriser sieerr iseerr seierr esierr ieserr eiserr sieerr iseerr seierr esierr ieserr eiserr seeirr eseirr seeirr eseirr eesirr eesirr ieesrr eiesrr ieesrr eiesrr eeisrr eeisrr sreeir rseeir sereir esreir reseir erseir sreeir rseeir sereir esreir reseir erseir seerir eserir seerir eserir eesrir eesrir reesir eresir reesir eresir eersir eersir ireesr rieesr ieresr eiresr reiesr eriesr ireesr rieesr ieresr eiresr reiesr eriesr ieersr eiersr ieersr eiersr eeirsr eeirsr reeisr ereisr reeisr ereisr eerisr eerisr sireer isreer srieer rsieer irseer riseer sierer iserer seirer esirer iesrer eisrer sreier rseier serier esrier resier ersier ireser rieser ierser eirser reiser eriser sireer isreer srieer rsieer irseer riseer sierer iserer seirer esirer iesrer eisrer sreier rseier serier esrier resier ersier ireser rieser ierser eirser reiser eriser sieerr iseerr seierr esierr ieserr eiserr sieerr iseerr seierr esierr ieserr eiserr seeirr eseirr seeirr eseirr eesirr eesirr ieesrr eiesrr ieesrr eiesrr eeisrr eeisrr sreeir rseeir sereir esreir reseir erseir sreeir rseeir sereir esreir reseir erseir seerir eserir seerir eserir eesrir eesrir reesir eresir reesir eresir eersir eersir ireesr rieesr ieresr eiresr reiesr eriesr ireesr rieesr ieresr eiresr reiesr eriesr ieersr eiersr ieersr eiersr eeirsr eeirsr reeisr ereisr reeisr ereisr eerisr eerisr srreei rsreei srreei rsreei rrseei rrseei srerei rserei serrei esrrei resrei ersrei srerei rserei serrei esrrei resrei ersrei rresei rresei rersei errsei rersei errsei srreei rsreei srreei rsreei rrseei rrseei srerei rserei serrei esrrei resrei ersrei srerei rserei serrei esrrei resrei ersrei rresei rresei rersei errsei rersei errsei sreeri rseeri sereri esreri reseri erseri sreeri rseeri sereri esreri reseri erseri seerri eserri seerri eserri eesrri eesrri reesri eresri reesri eresri eersri eersri sreeri rseeri sereri esreri reseri erseri sreeri rseeri sereri esreri reseri erseri seerri eserri seerri eserri eesrri eesrri reesri eresri reesri eresri eersri eersri rreesi rreesi reresi erresi reresi erresi rreesi rreesi reresi erresi reresi erresi reersi erersi reersi erersi eerrsi eerrsi reersi erersi reersi erersi eerrsi eerrsi irrees rirees irrees rirees rriees rriees ireres rieres ierres eirres reires erires ireres rieres ierres eirres reires erires rreies rreies reries erries reries erries irrees rirees irrees rirees rriees rriees ireres rieres ierres eirres reires erires ireres rieres ierres eirres reires erires rreies rreies reries erries reries erries ireers rieers ierers eirers reiers eriers ireers rieers ierers eirers reiers eriers ieerrs eierrs ieerrs eierrs eeirrs eeirrs reeirs ereirs reeirs ereirs eerirs eerirs ireers rieers ierers eirers reiers eriers ireers rieers ierers eirers reiers eriers ieerrs eierrs ieerrs eierrs eeirrs eeirrs reeirs ereirs reeirs ereirs eerirs eerirs rreeis rreeis rereis erreis rereis erreis rreeis rreeis rereis erreis rereis erreis reeris ereris reeris ereris eerris eerris reeris ereris reeris ereris eerris eerris
Note: these 'words' (valid or invalid) are all the permutations of the word sirree. These words are obtained by scrambling the letters in sirree.