threat htreat trheat rtheat hrteat rhteat therat hterat tehrat ethrat hetrat ehtrat trehat rtehat terhat etrhat rethat erthat hretat rhetat hertat ehrtat rehtat erhtat thraet htraet trhaet rthaet hrtaet rhtaet tharet htaret tahret athret hatret ahtret trahet rtahet tarhet atrhet rathet arthet hratet rhatet hartet ahrtet rahtet arhtet theart hteart tehart ethart hetart ehtart thaert htaert tahert athert hatert ahtert teahrt etahrt taehrt atehrt eathrt aethrt heatrt ehatrt haetrt ahetrt eahtrt aehtrt treaht rteaht teraht etraht retaht ertaht traeht rtaeht tareht atreht rateht arteht tearht etarht taerht aterht eatrht aetrht reatht eratht raetht aretht eartht aertht hreatt rheatt heratt ehratt rehatt erhatt hraett rhaett harett ahrett rahett arhett heartt ehartt haertt ahertt eahrtt aehrtt reahtt erahtt raehtt arehtt earhtt aerhtt threta htreta trheta rtheta hrteta rhteta therta hterta tehrta ethrta hetrta ehtrta trehta rtehta terhta etrhta rethta erthta hretta rhetta hertta ehrtta rehtta erhtta thrtea htrtea trhtea rthtea hrttea rhttea thtrea httrea tthrea tthrea httrea thtrea trthea rtthea ttrhea ttrhea rtthea trthea hrttea rhttea htrtea thrtea rthtea trhtea thetra htetra tehtra ethtra hettra ehttra thtera httera tthera tthera httera thtera tethra etthra ttehra ttehra etthra tethra hettra ehttra htetra thetra ethtra tehtra tretha rtetha tertha etrtha rettha erttha trteha rtteha ttreha ttreha rtteha trteha tetrha ettrha tterha tterha ettrha tetrha rettha erttha rtetha tretha etrtha tertha hretta rhetta hertta ehrtta rehtta erhtta hrteta rhteta htreta threta rtheta trheta hetrta ehtrta hterta therta ethrta tehrta rethta erthta rtehta trehta etrhta terhta thrate htrate trhate rthate hrtate rhtate tharte htarte tahrte athrte hatrte ahtrte trahte rtahte tarhte atrhte rathte arthte hratte rhatte hartte ahrtte rahtte arhtte thrtae htrtae trhtae rthtae hrttae rhttae thtrae httrae tthrae tthrae httrae thtrae trthae rtthae ttrhae ttrhae rtthae trthae hrttae rhttae htrtae thrtae rthtae trhtae thatre htatre tahtre athtre hattre ahttre thtare httare tthare tthare httare thtare tathre atthre ttahre ttahre atthre tathre hattre ahttre htatre thatre athtre tahtre trathe rtathe tarthe atrthe ratthe artthe trtahe rttahe ttrahe ttrahe rttahe trtahe tatrhe attrhe ttarhe ttarhe attrhe tatrhe ratthe artthe rtathe trathe atrthe tarthe hratte rhatte hartte ahrtte rahtte arhtte hrtate rhtate htrate thrate rthate trhate hatrte ahtrte htarte tharte athrte tahrte rathte arthte rtahte trahte atrhte tarhte theatr hteatr tehatr ethatr hetatr ehtatr thaetr htaetr tahetr athetr hatetr ahtetr teahtr etahtr taehtr atehtr eathtr aethtr heattr ehattr haettr ahettr eahttr aehttr thetar htetar tehtar ethtar hettar ehttar thtear httear tthear tthear httear thtear tethar etthar ttehar ttehar etthar tethar hettar ehttar htetar thetar ethtar tehtar thater htater tahter athter hatter ahtter thtaer httaer tthaer tthaer httaer thtaer tather atther ttaher ttaher atther tather hatter ahtter htater thater athter tahter teathr etathr taethr atethr eatthr aetthr tetahr ettahr tteahr tteahr ettahr tetahr tatehr attehr ttaehr ttaehr attehr tatehr eatthr aetthr etathr teathr atethr taethr heattr ehattr haettr ahettr eahttr aehttr hetatr ehtatr hteatr theatr ethatr tehatr hatetr ahtetr htaetr thaetr athetr tahetr eathtr aethtr etahtr teahtr atehtr taehtr treath rteath terath etrath retath ertath traeth rtaeth tareth atreth rateth arteth tearth etarth taerth aterth eatrth aetrth reatth eratth raetth aretth eartth aertth tretah rtetah tertah etrtah rettah erttah trteah rtteah ttreah ttreah rtteah trteah tetrah ettrah tterah tterah ettrah tetrah rettah erttah rtetah tretah etrtah tertah trateh rtateh tarteh atrteh ratteh artteh trtaeh rttaeh ttraeh ttraeh rttaeh trtaeh tatreh attreh ttareh ttareh attreh tatreh ratteh artteh rtateh trateh atrteh tarteh teatrh etatrh taetrh atetrh eattrh aettrh tetarh ettarh ttearh ttearh ettarh tetarh taterh atterh ttaerh ttaerh atterh taterh eattrh aettrh etatrh teatrh atetrh taetrh reatth eratth raetth aretth eartth aertth retath ertath rteath treath etrath terath rateth arteth rtaeth traeth atreth tareth eatrth aetrth etarth tearth aterth taerth hreatt rheatt heratt ehratt rehatt erhatt hraett rhaett harett ahrett rahett arhett heartt ehartt haertt ahertt eahrtt aehrtt reahtt erahtt raehtt arehtt earhtt aerhtt hretat rhetat hertat ehrtat rehtat erhtat hrteat rhteat htreat threat rtheat trheat hetrat ehtrat hterat therat ethrat tehrat rethat erthat rtehat trehat etrhat terhat hratet rhatet hartet ahrtet rahtet arhtet hrtaet rhtaet htraet thraet rthaet trhaet hatret ahtret htaret tharet athret tahret rathet arthet rtahet trahet atrhet tarhet heatrt ehatrt haetrt ahetrt eahtrt aehtrt hetart ehtart hteart theart ethart tehart hatert ahtert htaert thaert athert tahert eathrt aethrt etahrt teahrt atehrt taehrt reatht eratht raetht aretht eartht aertht retaht ertaht rteaht treaht etraht teraht rateht arteht rtaeht traeht atreht tareht eatrht aetrht etarht tearht aterht taerht
Note: these 'words' (valid or invalid) are all the permutations of the word threat. These words are obtained by scrambling the letters in threat.