teads etads taeds ateds eatds aetds tedas etdas tdeas dteas edtas detas tades atdes tdaes dtaes adtes dates eadts aedts edats deats adets daets teasd etasd taesd atesd eatsd aetsd tesad etsad tsead stead estad setad tased atsed tsaed staed asted sated eastd aestd esatd seatd asetd saetd tedsa etdsa tdesa dtesa edtsa detsa tesda etsda tseda steda estda setda tdsea dtsea tsdea stdea dstea sdtea edsta desta esdta sedta dseta sdeta tadse atdse tdase dtase adtse datse tasde atsde tsade stade astde satde tdsae dtsae tsdae stdae dstae sdtae adste daste asdte sadte dsate sdate eadst aedst edast deast adest daest easdt aesdt esadt seadt asedt saedt edsat desat esdat sedat dseat sdeat adset daset asdet sadet dsaet sdaet
Note: these 'words' (valid or invalid) are all the permutations of the word teads. These words are obtained by scrambling the letters in teads.