radars ardars rdaars draars adrars darars raadrs aradrs raadrs aradrs aardrs aardrs rdaars draars radars ardars darars adrars adarrs daarrs aadrrs aadrrs daarrs adarrs radras ardras rdaras draras adrras darras rardas arrdas rradas rradas arrdas rardas rdraas drraas rrdaas rrdaas drraas rdraas adrras darras ardras radras draras rdaras raards arards raards arards aarrds aarrds rarads arrads rraads rraads arrads rarads rarads arrads rraads rraads arrads rarads aarrds aarrds arards raards arards raards rdaras draras radras ardras darras adrras rdraas drraas rrdaas rrdaas drraas rdraas rardas arrdas rradas rradas arrdas rardas darras adrras draras rdaras ardras radras adarrs daarrs aadrrs aadrrs daarrs adarrs adrars darars ardars radars draars rdaars aardrs aardrs aradrs raadrs aradrs raadrs darars adrars draars rdaars ardars radars radasr ardasr rdaasr draasr adrasr darasr raadsr aradsr raadsr aradsr aardsr aardsr rdaasr draasr radasr ardasr darasr adrasr adarsr daarsr aadrsr aadrsr daarsr adarsr radsar ardsar rdasar drasar adrsar darsar rasdar arsdar rsadar sradar asrdar sardar rdsaar drsaar rsdaar srdaar dsraar sdraar adsrar dasrar asdrar sadrar dsarar sdarar raasdr arasdr raasdr arasdr aarsdr aarsdr rasadr arsadr rsaadr sraadr asradr saradr rasadr arsadr rsaadr sraadr asradr saradr aasrdr aasrdr asardr saardr asardr saardr rdasar drasar radsar ardsar darsar adrsar rdsaar drsaar rsdaar srdaar dsraar sdraar rasdar arsdar rsadar sradar asrdar sardar dasrar adsrar dsarar sdarar asdrar sadrar adasrr daasrr aadsrr aadsrr daasrr adasrr adsarr dasarr asdarr sadarr dsaarr sdaarr aasdrr aasdrr asadrr saadrr asadrr saadrr dasarr adsarr dsaarr sdaarr asdarr sadarr radrsa ardrsa rdarsa drarsa adrrsa darrsa rardsa arrdsa rradsa rradsa arrdsa rardsa rdrasa drrasa rrdasa rrdasa drrasa rdrasa adrrsa darrsa ardrsa radrsa drarsa rdarsa radsra ardsra rdasra drasra adrsra darsra rasdra arsdra rsadra sradra asrdra sardra rdsara drsara rsdara srdara dsrara sdrara adsrra dasrra asdrra sadrra dsarra sdarra rarsda arrsda rrasda rrasda arrsda rarsda rasrda arsrda rsarda srarda asrrda sarrda rrsada rrsada rsrada srrada rsrada srrada arsrda rasrda asrrda sarrda rsarda srarda rdrsaa drrsaa rrdsaa rrdsaa drrsaa rdrsaa rdsraa drsraa rsdraa srdraa dsrraa sdrraa rrsdaa rrsdaa rsrdaa srrdaa rsrdaa srrdaa drsraa rdsraa dsrraa sdrraa rsdraa srdraa adrsra darsra ardsra radsra drasra rdasra adsrra dasrra asdrra sadrra dsarra sdarra arsdra rasdra asrdra sardra rsadra sradra drsara rdsara dsrara sdrara rsdara srdara raarsd ararsd raarsd ararsd aarrsd aarrsd rarasd arrasd rraasd rraasd arrasd rarasd rarasd arrasd rraasd rraasd arrasd rarasd aarrsd aarrsd ararsd raarsd ararsd raarsd raasrd arasrd raasrd arasrd aarsrd aarsrd rasard arsard rsaard sraard asrard sarard rasard arsard rsaard sraard asrard sarard aasrrd aasrrd asarrd saarrd asarrd saarrd rarsad arrsad rrasad rrasad arrsad rarsad rasrad arsrad rsarad srarad asrrad sarrad rrsaad rrsaad rsraad srraad rsraad srraad arsrad rasrad asrrad sarrad rsarad srarad rarsad arrsad rrasad rrasad arrsad rarsad rasrad arsrad rsarad srarad asrrad sarrad rrsaad rrsaad rsraad srraad rsraad srraad arsrad rasrad asrrad sarrad rsarad srarad aarsrd aarsrd arasrd raasrd arasrd raasrd aasrrd aasrrd asarrd saarrd asarrd saarrd arsard rasard asrard sarard rsaard sraard arsard rasard asrard sarard rsaard sraard rdarsa drarsa radrsa ardrsa darrsa adrrsa rdrasa drrasa rrdasa rrdasa drrasa rdrasa rardsa arrdsa rradsa rradsa arrdsa rardsa darrsa adrrsa drarsa rdarsa ardrsa radrsa rdasra drasra radsra ardsra darsra adrsra rdsara drsara rsdara srdara dsrara sdrara rasdra arsdra rsadra sradra asrdra sardra dasrra adsrra dsarra sdarra asdrra sadrra rdrsaa drrsaa rrdsaa rrdsaa drrsaa rdrsaa rdsraa drsraa rsdraa srdraa dsrraa sdrraa rrsdaa rrsdaa rsrdaa srrdaa rsrdaa srrdaa drsraa rdsraa dsrraa sdrraa rsdraa srdraa rarsda arrsda rrasda rrasda arrsda rarsda rasrda arsrda rsarda srarda asrrda sarrda rrsada rrsada rsrada srrada rsrada srrada arsrda rasrda asrrda sarrda rsarda srarda darsra adrsra drasra rdasra ardsra radsra dasrra adsrra dsarra sdarra asdrra sadrra drsara rdsara dsrara sdrara rsdara srdara arsdra rasdra asrdra sardra rsadra sradra adarsr daarsr aadrsr aadrsr daarsr adarsr adrasr darasr ardasr radasr draasr rdaasr aardsr aardsr aradsr raadsr aradsr raadsr darasr adrasr draasr rdaasr ardasr radasr adasrr daasrr aadsrr aadsrr daasrr adasrr adsarr dasarr asdarr sadarr dsaarr sdaarr aasdrr aasdrr asadrr saadrr asadrr saadrr dasarr adsarr dsaarr sdaarr asdarr sadarr adrsar darsar ardsar radsar drasar rdasar adsrar dasrar asdrar sadrar dsarar sdarar arsdar rasdar asrdar sardar rsadar sradar drsaar rdsaar dsraar sdraar rsdaar srdaar aarsdr aarsdr arasdr raasdr arasdr raasdr aasrdr aasrdr asardr saardr asardr saardr arsadr rasadr asradr saradr rsaadr sraadr arsadr rasadr asradr saradr rsaadr sraadr darsar adrsar drasar rdasar ardsar radsar dasrar adsrar dsarar sdarar asdrar sadrar drsaar rdsaar dsraar sdraar rsdaar srdaar arsdar rasdar asrdar sardar rsadar sradar
Note: these 'words' (valid or invalid) are all the permutations of the word radars. These words are obtained by scrambling the letters in radars.