astun satun atsun tasun staun tsaun asutn sautn austn uastn suatn usatn atusn tausn autsn uatsn tuasn utasn stuan tsuan sutan ustan tusan utsan astnu satnu atsnu tasnu stanu tsanu asntu santu anstu nastu snatu nsatu atnsu tansu antsu natsu tnasu ntasu stnau tsnau sntau nstau tnsau ntsau asunt saunt ausnt uasnt suant usant asnut sanut ansut nasut snaut nsaut aunst uanst anust naust unast nuast sunat usnat snuat nsuat unsat nusat atuns tauns autns uatns tuans utans atnus tanus antus natus tnaus ntaus aunts uants anuts nauts unats nuats tunas utnas tnuas ntuas untas nutas stuna tsuna sutna ustna tusna utsna stnua tsnua sntua nstua tnsua ntsua sunta usnta snuta nsuta unsta nusta tunsa utnsa tnusa ntusa untsa nutsa
Note: these 'words' (valid or invalid) are all the permutations of the word astun. These words are obtained by scrambling the letters in astun.