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