shenai hsenai sehnai eshnai hesnai ehsnai shneai hsneai snheai nsheai hnseai nhseai senhai esnhai snehai nsehai enshai neshai hensai ehnsai hnesai nhesai enhsai nehsai sheani hseani sehani eshani hesani ehsani shaeni hsaeni saheni asheni haseni ahseni seahni esahni saehni asehni eashni aeshni heasni ehasni haesni ahesni eahsni aehsni shnaei hsnaei snhaei nshaei hnsaei nhsaei shanei hsanei sahnei ashnei hasnei ahsnei snahei nsahei sanhei asnhei nashei anshei hnasei nhasei hansei ahnsei nahsei anhsei senahi esnahi sneahi nseahi ensahi nesahi seanhi esanhi saenhi asenhi easnhi aesnhi snaehi nsaehi sanehi asnehi nasehi ansehi enashi neashi eanshi aenshi naeshi aneshi henasi ehnasi hneasi nheasi enhasi nehasi heansi ehansi haensi ahensi eahnsi aehnsi hnaesi nhaesi hanesi ahnesi nahesi anhesi enahsi neahsi eanhsi aenhsi naehsi anehsi shenia hsenia sehnia eshnia hesnia ehsnia shneia hsneia snheia nsheia hnseia nhseia senhia esnhia snehia nsehia enshia neshia hensia ehnsia hnesia nhesia enhsia nehsia sheina hseina sehina eshina hesina ehsina shiena hsiena sihena ishena hisena ihsena seihna esihna siehna isehna eishna ieshna heisna ehisna hiesna ihesna eihsna iehsna shniea hsniea snhiea nshiea hnsiea nhsiea shinea hsinea sihnea ishnea hisnea ihsnea snihea nsihea sinhea isnhea nishea inshea hnisea nhisea hinsea ihnsea nihsea inhsea seniha esniha sneiha nseiha ensiha nesiha seinha esinha sienha isenha eisnha iesnha snieha nsieha sineha isneha niseha inseha enisha neisha einsha iensha niesha inesha henisa ehnisa hneisa nheisa enhisa nehisa heinsa ehinsa hiensa ihensa eihnsa iehnsa hniesa nhiesa hinesa ihnesa nihesa inhesa enihsa neihsa einhsa ienhsa niehsa inehsa sheain hseain sehain eshain hesain ehsain shaein hsaein sahein ashein hasein ahsein seahin esahin saehin asehin eashin aeshin heasin ehasin haesin ahesin eahsin aehsin sheian hseian sehian eshian hesian ehsian shiean hsiean sihean ishean hisean ihsean seihan esihan siehan isehan eishan ieshan heisan ehisan hiesan ihesan eihsan iehsan shaien hsaien sahien ashien hasien ahsien shiaen hsiaen sihaen ishaen hisaen ihsaen saihen asihen siahen isahen aishen iashen haisen ahisen hiasen ihasen aihsen iahsen seaihn esaihn saeihn aseihn easihn aesihn seiahn esiahn sieahn iseahn eisahn iesahn saiehn asiehn siaehn isaehn aisehn iasehn eaishn aeishn eiashn ieashn aieshn iaeshn heaisn ehaisn haeisn aheisn eahisn aehisn heiasn ehiasn hieasn iheasn eihasn iehasn haiesn ahiesn hiaesn ihaesn aihesn iahesn eaihsn aeihsn eiahsn ieahsn aiehsn iaehsn shnaie hsnaie snhaie nshaie hnsaie nhsaie shanie hsanie sahnie ashnie hasnie ahsnie snahie nsahie sanhie asnhie nashie anshie hnasie nhasie hansie ahnsie nahsie anhsie shniae hsniae snhiae nshiae hnsiae nhsiae shinae hsinae sihnae ishnae hisnae ihsnae snihae nsihae sinhae isnhae nishae inshae hnisae nhisae hinsae ihnsae nihsae inhsae shaine hsaine sahine ashine hasine ahsine shiane hsiane sihane ishane hisane ihsane saihne asihne siahne isahne aishne iashne haisne ahisne hiasne ihasne aihsne iahsne snaihe nsaihe sanihe asnihe nasihe ansihe sniahe nsiahe sinahe isnahe nisahe insahe sainhe asinhe sianhe isanhe aisnhe iasnhe naishe anishe niashe inashe ainshe ianshe hnaise nhaise hanise ahnise nahise anhise hniase nhiase hinase ihnase nihase inhase hainse ahinse hianse ihanse aihnse iahnse naihse anihse niahse inahse ainhse ianhse senaih esnaih sneaih nseaih ensaih nesaih seanih esanih saenih asenih easnih aesnih snaeih nsaeih saneih asneih naseih anseih enasih neasih eansih aensih naesih anesih seniah esniah sneiah nseiah ensiah nesiah seinah esinah sienah isenah eisnah iesnah snieah nsieah sineah isneah niseah inseah enisah neisah einsah iensah niesah inesah seainh esainh saeinh aseinh easinh aesinh seianh esianh sieanh iseanh eisanh iesanh saienh asienh siaenh isaenh aisenh iasenh eaisnh aeisnh eiasnh ieasnh aiesnh iaesnh snaieh nsaieh sanieh asnieh nasieh ansieh sniaeh nsiaeh sinaeh isnaeh nisaeh insaeh saineh asineh sianeh isaneh aisneh iasneh naiseh aniseh niaseh inaseh ainseh ianseh enaish neaish eanish aenish naeish aneish eniash neiash einash ienash nieash ineash eainsh aeinsh eiansh ieansh aiensh iaensh naiesh aniesh niaesh inaesh ainesh ianesh henais ehnais hneais nheais enhais nehais heanis ehanis haenis ahenis eahnis aehnis hnaeis nhaeis haneis ahneis naheis anheis enahis neahis eanhis aenhis naehis anehis henias ehnias hneias nheias enhias nehias heinas ehinas hienas ihenas eihnas iehnas hnieas nhieas hineas ihneas niheas inheas enihas neihas einhas ienhas niehas inehas heains ehains haeins aheins eahins aehins heians ehians hieans iheans eihans iehans haiens ahiens hiaens ihaens aihens iahens eaihns aeihns eiahns ieahns aiehns iaehns hnaies nhaies hanies ahnies nahies anhies hniaes nhiaes hinaes ihnaes nihaes inhaes haines ahines hianes ihanes aihnes iahnes naihes anihes niahes inahes ainhes ianhes enaihs neaihs eanihs aenihs naeihs aneihs eniahs neiahs einahs ienahs nieahs ineahs eainhs aeinhs eianhs ieanhs aienhs iaenhs naiehs aniehs niaehs inaehs ainehs ianehs
Note: these 'words' (valid or invalid) are all the permutations of the word shenai. These words are obtained by scrambling the letters in shenai.