sirred isrred srired rsired irsred risred sirred isrred srired rsired irsred risred srried rsried srried rsried rrsied rrsied irrsed rirsed irrsed rirsed rrised rrised sirerd isrerd srierd rsierd irserd riserd sierrd iserrd seirrd esirrd iesrrd eisrrd sreird rseird serird esrird resird ersird iresrd riesrd iersrd eirsrd reisrd erisrd sirerd isrerd srierd rsierd irserd riserd sierrd iserrd seirrd esirrd iesrrd eisrrd sreird rseird serird esrird resird ersird iresrd riesrd iersrd eirsrd reisrd erisrd srreid rsreid srreid rsreid rrseid rrseid srerid rserid serrid esrrid resrid ersrid srerid rserid serrid esrrid resrid ersrid rresid rresid rersid errsid rersid errsid irresd riresd irresd riresd rriesd rriesd irersd riersd ierrsd eirrsd reirsd erirsd irersd riersd ierrsd eirrsd reirsd erirsd rreisd rreisd rerisd errisd rerisd errisd sirrde isrrde srirde rsirde irsrde risrde sirrde isrrde srirde rsirde irsrde risrde srride rsride srride rsride rrside rrside irrsde rirsde irrsde rirsde rrisde rrisde sirdre isrdre sridre rsidre irsdre risdre sidrre isdrre sdirre dsirre idsrre disrre srdire rsdire sdrire dsrire rdsire drsire irdsre ridsre idrsre dirsre rdisre drisre sirdre isrdre sridre rsidre irsdre risdre sidrre isdrre sdirre dsirre idsrre disrre srdire rsdire sdrire dsrire rdsire drsire irdsre ridsre idrsre dirsre rdisre drisre srrdie rsrdie srrdie rsrdie rrsdie rrsdie srdrie rsdrie sdrrie dsrrie rdsrie drsrie srdrie rsdrie sdrrie dsrrie rdsrie drsrie rrdsie rrdsie rdrsie drrsie rdrsie drrsie irrdse rirdse irrdse rirdse rridse rridse irdrse ridrse idrrse dirrse rdirse drirse irdrse ridrse idrrse dirrse rdirse drirse rrdise rrdise rdrise drrise rdrise drrise siredr isredr sriedr rsiedr irsedr risedr sierdr iserdr seirdr esirdr iesrdr eisrdr sreidr rseidr seridr esridr residr ersidr iresdr riesdr iersdr eirsdr reisdr erisdr sirder isrder srider rsider irsder risder sidrer isdrer sdirer dsirer idsrer disrer srdier rsdier sdrier dsrier rdsier drsier irdser ridser idrser dirser rdiser driser siedrr isedrr seidrr esidrr iesdrr eisdrr siderr isderr sdierr dsierr idserr diserr sedirr esdirr sdeirr dseirr edsirr desirr iedsrr eidsrr idesrr diesrr edisrr deisrr sredir rsedir serdir esrdir resdir ersdir srdeir rsdeir sdreir dsreir rdseir drseir sedrir esdrir sderir dserir edsrir desrir redsir erdsir rdesir dresir edrsir dersir iredsr riedsr ierdsr eirdsr reidsr eridsr irdesr ridesr idresr diresr rdiesr driesr iedrsr eidrsr idersr diersr edirsr deirsr redisr erdisr rdeisr dreisr edrisr derisr siredr isredr sriedr rsiedr irsedr risedr sierdr iserdr seirdr esirdr iesrdr eisrdr sreidr rseidr seridr esridr residr ersidr iresdr riesdr iersdr eirsdr reisdr erisdr sirder isrder srider rsider irsder risder sidrer isdrer sdirer dsirer idsrer disrer srdier rsdier sdrier dsrier rdsier drsier irdser ridser idrser dirser rdiser driser siedrr isedrr seidrr esidrr iesdrr eisdrr siderr isderr sdierr dsierr idserr diserr sedirr esdirr sdeirr dseirr edsirr desirr iedsrr eidsrr idesrr diesrr edisrr deisrr sredir rsedir serdir esrdir resdir ersdir srdeir rsdeir sdreir dsreir rdseir drseir sedrir esdrir sderir dserir edsrir desrir redsir erdsir rdesir dresir edrsir dersir iredsr riedsr ierdsr eirdsr reidsr eridsr irdesr ridesr idresr diresr rdiesr driesr iedrsr eidrsr idersr diersr edirsr deirsr redisr erdisr rdeisr dreisr edrisr derisr srredi rsredi srredi rsredi rrsedi rrsedi srerdi rserdi serrdi esrrdi resrdi ersrdi srerdi rserdi serrdi esrrdi resrdi ersrdi rresdi rresdi rersdi errsdi rersdi errsdi srrdei rsrdei srrdei rsrdei rrsdei rrsdei srdrei rsdrei sdrrei dsrrei rdsrei drsrei srdrei rsdrei sdrrei dsrrei rdsrei drsrei rrdsei rrdsei rdrsei drrsei rdrsei drrsei sredri rsedri serdri esrdri resdri ersdri srderi rsderi sdreri dsreri rdseri drseri sedrri esdrri sderri dserri edsrri desrri redsri erdsri rdesri dresri edrsri dersri sredri rsedri serdri esrdri resdri ersdri srderi rsderi sdreri dsreri rdseri drseri sedrri esdrri sderri dserri edsrri desrri redsri erdsri rdesri dresri edrsri dersri rredsi rredsi rerdsi errdsi rerdsi errdsi rrdesi rrdesi rdresi drresi rdresi drresi redrsi erdrsi rdersi drersi edrrsi derrsi redrsi erdrsi rdersi drersi edrrsi derrsi irreds rireds irreds rireds rrieds rrieds irerds rierds ierrds eirrds reirds erirds irerds rierds ierrds eirrds reirds erirds rreids rreids rerids errids rerids errids irrdes rirdes irrdes rirdes rrides rrides irdres ridres idrres dirres rdires drires irdres ridres idrres dirres rdires drires rrdies rrdies rdries drries rdries drries iredrs riedrs ierdrs eirdrs reidrs eridrs irders riders idrers dirers rdiers driers iedrrs eidrrs iderrs dierrs edirrs deirrs redirs erdirs rdeirs dreirs edrirs derirs iredrs riedrs ierdrs eirdrs reidrs eridrs irders riders idrers dirers rdiers driers iedrrs eidrrs iderrs dierrs edirrs deirrs redirs erdirs rdeirs dreirs edrirs derirs rredis rredis rerdis errdis rerdis errdis rrdeis rrdeis rdreis drreis rdreis drreis redris erdris rderis dreris edrris derris redris erdris rderis dreris edrris derris
Note: these 'words' (valid or invalid) are all the permutations of the word sirred. These words are obtained by scrambling the letters in sirred.