tweas wteas tewas etwas wetas ewtas twaes wtaes tawes atwes wates awtes teaws etaws taews atews eatws aetws weats ewats waets awets eawts aewts twesa wtesa tewsa etwsa wetsa ewtsa twsea wtsea tswea stwea wstea swtea teswa etswa tsewa stewa estwa setwa westa ewsta wseta sweta eswta sewta twase wtase tawse atwse watse awtse twsae wtsae tswae stwae wstae swtae taswe atswe tsawe stawe astwe satwe waste awste wsate swate aswte sawte teasw etasw taesw atesw eatsw aetsw tesaw etsaw tseaw steaw estaw setaw tasew atsew tsaew staew astew satew eastw aestw esatw seatw asetw saetw weast ewast waest awest eawst aewst wesat ewsat wseat sweat eswat sewat waset awset wsaet swaet aswet sawet easwt aeswt esawt seawt asewt saewt
Note: these 'words' (valid or invalid) are all the permutations of the word tweas. These words are obtained by scrambling the letters in tweas.