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