rairds arirds riards irards airrds iarrds rarids arrids rraids rraids arrids rarids rirads irrads rriads rriads irrads rirads airrds iarrds arirds rairds irards riards raidrs aridrs riadrs iradrs airdrs iardrs radirs ardirs rdairs drairs adrirs darirs ridars irdars rdiars driars idrars dirars aidrrs iadrrs adirrs dairrs idarrs diarrs rardis arrdis rradis rradis arrdis rardis radris ardris rdaris draris adrris darris rrdais rrdais rdrais drrais rdrais drrais ardris radris adrris darris rdaris draris rirdas irrdas rridas rridas irrdas rirdas ridras irdras rdiras driras idrras dirras rrdias rrdias rdrias drrias rdrias drrias irdras ridras idrras dirras rdiras driras airdrs iardrs aridrs raidrs iradrs riadrs aidrrs iadrrs adirrs dairrs idarrs diarrs ardirs radirs adrirs darirs rdairs drairs irdars ridars idrars dirars rdiars driars rairsd arirsd riarsd irarsd airrsd iarrsd rarisd arrisd rraisd rraisd arrisd rarisd rirasd irrasd rriasd rriasd irrasd rirasd airrsd iarrsd arirsd rairsd irarsd riarsd raisrd arisrd riasrd irasrd airsrd iarsrd rasird arsird rsaird sraird asrird sarird risard irsard rsiard sriard isrard sirard aisrrd iasrrd asirrd sairrd isarrd siarrd rarsid arrsid rrasid rrasid arrsid rarsid rasrid arsrid rsarid srarid asrrid sarrid rrsaid rrsaid rsraid srraid rsraid srraid arsrid rasrid asrrid sarrid rsarid srarid rirsad irrsad rrisad rrisad irrsad rirsad risrad irsrad rsirad srirad isrrad sirrad rrsiad rrsiad rsriad srriad rsriad srriad irsrad risrad isrrad sirrad rsirad srirad airsrd iarsrd arisrd raisrd irasrd riasrd aisrrd iasrrd asirrd sairrd isarrd siarrd arsird rasird asrird sarird rsaird sraird irsard risard isrard sirard rsiard sriard raidsr aridsr riadsr iradsr airdsr iardsr radisr ardisr rdaisr draisr adrisr darisr ridasr irdasr rdiasr driasr idrasr dirasr aidrsr iadrsr adirsr dairsr idarsr diarsr raisdr arisdr riasdr irasdr airsdr iarsdr rasidr arsidr rsaidr sraidr asridr saridr risadr irsadr rsiadr sriadr isradr siradr aisrdr iasrdr asirdr sairdr isardr siardr radsir ardsir rdasir drasir adrsir darsir rasdir arsdir rsadir sradir asrdir sardir rdsair drsair rsdair srdair dsrair sdrair adsrir dasrir asdrir sadrir dsarir sdarir ridsar irdsar rdisar drisar idrsar dirsar risdar irsdar rsidar sridar isrdar sirdar rdsiar drsiar rsdiar srdiar dsriar sdriar idsrar disrar isdrar sidrar dsirar sdirar aidsrr iadsrr adisrr daisrr idasrr diasrr aisdrr iasdrr asidrr saidrr isadrr siadrr adsirr dasirr asdirr sadirr dsairr sdairr idsarr disarr isdarr sidarr dsiarr sdiarr rardsi arrdsi rradsi rradsi arrdsi rardsi radrsi ardrsi rdarsi drarsi adrrsi darrsi rrdasi rrdasi rdrasi drrasi rdrasi drrasi ardrsi radrsi adrrsi darrsi rdarsi drarsi rarsdi arrsdi rrasdi rrasdi arrsdi rarsdi rasrdi arsrdi rsardi srardi asrrdi sarrdi rrsadi rrsadi rsradi srradi rsradi srradi arsrdi rasrdi asrrdi sarrdi rsardi srardi radsri ardsri rdasri drasri adrsri darsri rasdri arsdri rsadri sradri asrdri sardri rdsari drsari rsdari srdari dsrari sdrari adsrri dasrri asdrri sadrri dsarri sdarri rrdsai rrdsai rdrsai drrsai rdrsai drrsai rrsdai rrsdai rsrdai srrdai rsrdai srrdai rdsrai drsrai rsdrai srdrai dsrrai sdrrai rdsrai drsrai rsdrai srdrai dsrrai sdrrai ardsri radsri adrsri darsri rdasri drasri arsdri rasdri asrdri sardri rsadri sradri adsrri dasrri asdrri sadrri dsarri sdarri rdsari drsari rsdari srdari dsrari sdrari rirdsa irrdsa rridsa rridsa irrdsa rirdsa ridrsa irdrsa rdirsa drirsa idrrsa dirrsa rrdisa rrdisa rdrisa drrisa rdrisa drrisa irdrsa ridrsa idrrsa dirrsa rdirsa drirsa rirsda irrsda rrisda rrisda irrsda rirsda risrda irsrda rsirda srirda isrrda sirrda rrsida rrsida rsrida srrida rsrida srrida irsrda risrda isrrda sirrda rsirda srirda ridsra irdsra rdisra drisra idrsra dirsra risdra irsdra rsidra sridra isrdra sirdra rdsira drsira rsdira srdira dsrira sdrira idsrra disrra isdrra sidrra dsirra sdirra rrdsia rrdsia rdrsia drrsia rdrsia drrsia rrsdia rrsdia rsrdia srrdia rsrdia srrdia rdsria drsria rsdria srdria dsrria sdrria rdsria drsria rsdria srdria dsrria sdrria irdsra ridsra idrsra dirsra rdisra drisra irsdra risdra isrdra sirdra rsidra sridra idsrra disrra isdrra sidrra dsirra sdirra rdsira drsira rsdira srdira dsrira sdrira airdsr iardsr aridsr raidsr iradsr riadsr aidrsr iadrsr adirsr dairsr idarsr diarsr ardisr radisr adrisr darisr rdaisr draisr irdasr ridasr idrasr dirasr rdiasr driasr airsdr iarsdr arisdr raisdr irasdr riasdr aisrdr iasrdr asirdr sairdr isardr siardr arsidr rasidr asridr saridr rsaidr sraidr irsadr risadr isradr siradr rsiadr sriadr aidsrr iadsrr adisrr daisrr idasrr diasrr aisdrr iasdrr asidrr saidrr isadrr siadrr adsirr dasirr asdirr sadirr dsairr sdairr idsarr disarr isdarr sidarr dsiarr sdiarr ardsir radsir adrsir darsir rdasir drasir arsdir rasdir asrdir sardir rsadir sradir adsrir dasrir asdrir sadrir dsarir sdarir rdsair drsair rsdair srdair dsrair sdrair irdsar ridsar idrsar dirsar rdisar drisar irsdar risdar isrdar sirdar rsidar sridar idsrar disrar isdrar sidrar dsirar sdirar rdsiar drsiar rsdiar srdiar dsriar sdriar
Note: these 'words' (valid or invalid) are all the permutations of the word rairds. These words are obtained by scrambling the letters in rairds.