swains wsains sawins aswins wasins awsins swians wsians siwans iswans wisans iwsans saiwns asiwns siawns isawns aiswns iaswns waisns awisns wiasns iwasns aiwsns iawsns swanis wsanis sawnis aswnis wasnis awsnis swnais wsnais snwais nswais wnsais nwsais sanwis asnwis snawis nsawis answis naswis wansis awnsis wnasis nwasis anwsis nawsis swinas wsinas siwnas iswnas wisnas iwsnas swnias wsnias snwias nswias wnsias nwsias sinwas isnwas sniwas nsiwas inswas niswas winsas iwnsas wnisas nwisas inwsas niwsas sainws asinws sianws isanws aisnws iasnws saniws asniws snaiws nsaiws ansiws nasiws sinaws isnaws sniaws nsiaws insaws nisaws ainsws iansws anisws naisws inasws niasws wainss awinss wianss iwanss aiwnss iawnss waniss awniss wnaiss nwaiss anwiss nawiss winass iwnass wniass nwiass inwass niwass ainwss ianwss aniwss naiwss inawss niawss swaisn wsaisn sawisn aswisn wasisn awsisn swiasn wsiasn siwasn iswasn wisasn iwsasn saiwsn asiwsn siawsn isawsn aiswsn iaswsn waissn awissn wiassn iwassn aiwssn iawssn swasin wsasin sawsin aswsin wassin awssin swsain wssain sswain sswain wssain swsain saswin asswin ssawin ssawin asswin saswin wassin awssin wsasin swasin aswsin sawsin swisan wsisan siwsan iswsan wissan iwssan swsian wssian sswian sswian wssian swsian siswan isswan ssiwan ssiwan isswan siswan wissan iwssan wsisan swisan iswsan siwsan saiswn asiswn siaswn isaswn aisswn iasswn sasiwn assiwn ssaiwn ssaiwn assiwn sasiwn sisawn issawn ssiawn ssiawn issawn sisawn aisswn iasswn asiswn saiswn isaswn siaswn waissn awissn wiassn iwassn aiwssn iawssn wasisn awsisn wsaisn swaisn aswisn sawisn wisasn iwsasn wsiasn swiasn iswasn siwasn aiswsn iaswsn asiwsn saiwsn isawsn siawsn swansi wsansi sawnsi aswnsi wasnsi awsnsi swnasi wsnasi snwasi nswasi wnsasi nwsasi sanwsi asnwsi snawsi nsawsi answsi naswsi wanssi awnssi wnassi nwassi anwssi nawssi swasni wsasni sawsni aswsni wassni awssni swsani wssani sswani sswani wssani swsani saswni asswni ssawni ssawni asswni saswni wassni awssni wsasni swasni aswsni sawsni swnsai wsnsai snwsai nswsai wnssai nwssai swsnai wssnai sswnai sswnai wssnai swsnai snswai nsswai ssnwai ssnwai nsswai snswai wnssai nwssai wsnsai swnsai nswsai snwsai sanswi asnswi snaswi nsaswi ansswi nasswi sasnwi assnwi ssanwi ssanwi assnwi sasnwi snsawi nssawi ssnawi ssnawi nssawi snsawi ansswi nasswi asnswi sanswi nsaswi snaswi wanssi awnssi wnassi nwassi anwssi nawssi wasnsi awsnsi wsansi swansi aswnsi sawnsi wnsasi nwsasi wsnasi swnasi nswasi snwasi answsi naswsi asnwsi sanwsi nsawsi snawsi swinsa wsinsa siwnsa iswnsa wisnsa iwsnsa swnisa wsnisa snwisa nswisa wnsisa nwsisa sinwsa isnwsa sniwsa nsiwsa inswsa niswsa winssa iwnssa wnissa nwissa inwssa niwssa swisna wsisna siwsna iswsna wissna iwssna swsina wssina sswina sswina wssina swsina siswna isswna ssiwna ssiwna isswna siswna wissna iwssna wsisna swisna iswsna siwsna swnsia wsnsia snwsia nswsia wnssia nwssia swsnia wssnia sswnia sswnia wssnia swsnia snswia nsswia ssnwia ssnwia nsswia snswia wnssia nwssia wsnsia swnsia nswsia snwsia sinswa isnswa sniswa nsiswa insswa nisswa sisnwa issnwa ssinwa ssinwa issnwa sisnwa snsiwa nssiwa ssniwa ssniwa nssiwa snsiwa insswa nisswa isnswa sinswa nsiswa sniswa winssa iwnssa wnissa nwissa inwssa niwssa wisnsa iwsnsa wsinsa swinsa iswnsa siwnsa wnsisa nwsisa wsnisa swnisa nswisa snwisa inswsa niswsa isnwsa sinwsa nsiwsa sniwsa sainsw asinsw siansw isansw aisnsw iasnsw sanisw asnisw snaisw nsaisw ansisw nasisw sinasw isnasw sniasw nsiasw insasw nisasw ainssw ianssw anissw naissw inassw niassw saisnw asisnw siasnw isasnw aissnw iassnw sasinw assinw ssainw ssainw assinw sasinw sisanw issanw ssianw ssianw issanw sisanw aissnw iassnw asisnw saisnw isasnw siasnw sansiw asnsiw snasiw nsasiw anssiw nassiw sasniw assniw ssaniw ssaniw assniw sasniw snsaiw nssaiw ssnaiw ssnaiw nssaiw snsaiw anssiw nassiw asnsiw sansiw nsasiw snasiw sinsaw isnsaw snisaw nsisaw inssaw nissaw sisnaw issnaw ssinaw ssinaw issnaw sisnaw snsiaw nssiaw ssniaw ssniaw nssiaw snsiaw inssaw nissaw isnsaw sinsaw nsisaw snisaw ainssw ianssw anissw naissw inassw niassw aisnsw iasnsw asinsw sainsw isansw siansw ansisw nasisw asnisw sanisw nsaisw snaisw insasw nisasw isnasw sinasw nsiasw sniasw wainss awinss wianss iwanss aiwnss iawnss waniss awniss wnaiss nwaiss anwiss nawiss winass iwnass wniass nwiass inwass niwass ainwss ianwss aniwss naiwss inawss niawss waisns awisns wiasns iwasns aiwsns iawsns wasins awsins wsains swains aswins sawins wisans iwsans wsians swians iswans siwans aiswns iaswns asiwns saiwns isawns siawns wansis awnsis wnasis nwasis anwsis nawsis wasnis awsnis wsanis swanis aswnis sawnis wnsais nwsais wsnais swnais nswais snwais answis naswis asnwis sanwis nsawis snawis winsas iwnsas wnisas nwisas inwsas niwsas wisnas iwsnas wsinas swinas iswnas siwnas wnsias nwsias wsnias swnias nswias snwias inswas niswas isnwas sinwas nsiwas sniwas ainsws iansws anisws naisws inasws niasws aisnws iasnws asinws sainws isanws sianws ansiws nasiws asniws saniws nsaiws snaiws insaws nisaws isnaws sinaws nsiaws sniaws
Note: these 'words' (valid or invalid) are all the permutations of the word swains. These words are obtained by scrambling the letters in swains.