bhuts hbuts buhts ubhts hubts uhbts bhtus hbtus bthus tbhus htbus thbus buths ubths btuhs tbuhs utbhs tubhs hutbs uhtbs htubs thubs uthbs tuhbs bhust hbust buhst ubhst hubst uhbst bhsut hbsut bshut sbhut hsbut shbut busht ubsht bsuht sbuht usbht subht husbt uhsbt hsubt shubt ushbt suhbt bhtsu hbtsu bthsu tbhsu htbsu thbsu bhstu hbstu bshtu sbhtu hsbtu shbtu btshu tbshu bsthu sbthu tsbhu stbhu htsbu thsbu hstbu shtbu tshbu sthbu butsh ubtsh btush tbush utbsh tubsh busth ubsth bsuth sbuth usbth subth btsuh tbsuh bstuh sbtuh tsbuh stbuh utsbh tusbh ustbh sutbh tsubh stubh hutsb uhtsb htusb thusb uthsb tuhsb hustb uhstb hsutb shutb ushtb suhtb htsub thsub hstub shtub tshub sthub utshb tushb usthb suthb tsuhb stuhb
Note: these 'words' (valid or invalid) are all the permutations of the word bhuts. These words are obtained by scrambling the letters in bhuts.