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