swails wsails sawils aswils wasils awsils swials wsials siwals iswals wisals iwsals saiwls asiwls siawls isawls aiswls iaswls waisls awisls wiasls iwasls aiwsls iawsls swalis wsalis sawlis aswlis waslis awslis swlais wslais slwais lswais wlsais lwsais salwis aslwis slawis lsawis alswis laswis walsis awlsis wlasis lwasis alwsis lawsis swilas wsilas siwlas iswlas wislas iwslas swlias wslias slwias lswias wlsias lwsias silwas islwas sliwas lsiwas ilswas liswas wilsas iwlsas wlisas lwisas ilwsas liwsas sailws asilws sialws isalws aislws iaslws saliws asliws slaiws lsaiws alsiws lasiws silaws islaws sliaws lsiaws ilsaws lisaws ailsws ialsws alisws laisws ilasws liasws wailss awilss wialss iwalss aiwlss iawlss waliss awliss wlaiss lwaiss alwiss lawiss wilass iwlass wliass lwiass ilwass liwass ailwss ialwss aliwss laiwss ilawss liawss swaisl wsaisl sawisl aswisl wasisl awsisl swiasl wsiasl siwasl iswasl wisasl iwsasl saiwsl asiwsl siawsl isawsl aiswsl iaswsl waissl awissl wiassl iwassl aiwssl iawssl swasil wsasil sawsil aswsil wassil awssil swsail wssail sswail sswail wssail swsail saswil asswil ssawil ssawil asswil saswil wassil awssil wsasil swasil aswsil sawsil swisal wsisal siwsal iswsal wissal iwssal swsial wssial sswial sswial wssial swsial siswal isswal ssiwal ssiwal isswal siswal wissal iwssal wsisal swisal iswsal siwsal saiswl asiswl siaswl isaswl aisswl iasswl sasiwl assiwl ssaiwl ssaiwl assiwl sasiwl sisawl issawl ssiawl ssiawl issawl sisawl aisswl iasswl asiswl saiswl isaswl siaswl waissl awissl wiassl iwassl aiwssl iawssl wasisl awsisl wsaisl swaisl aswisl sawisl wisasl iwsasl wsiasl swiasl iswasl siwasl aiswsl iaswsl asiwsl saiwsl isawsl siawsl swalsi wsalsi sawlsi aswlsi waslsi awslsi swlasi wslasi slwasi lswasi wlsasi lwsasi salwsi aslwsi slawsi lsawsi alswsi laswsi walssi awlssi wlassi lwassi alwssi lawssi swasli wsasli sawsli aswsli wassli awssli swsali wssali sswali sswali wssali swsali saswli asswli ssawli ssawli asswli saswli wassli awssli wsasli swasli aswsli sawsli swlsai wslsai slwsai lswsai wlssai lwssai swslai wsslai sswlai sswlai wsslai swslai slswai lsswai sslwai sslwai lsswai slswai wlssai lwssai wslsai swlsai lswsai slwsai salswi aslswi slaswi lsaswi alsswi lasswi saslwi asslwi ssalwi ssalwi asslwi saslwi slsawi lssawi sslawi sslawi lssawi slsawi alsswi lasswi aslswi salswi lsaswi slaswi walssi awlssi wlassi lwassi alwssi lawssi waslsi awslsi wsalsi swalsi aswlsi sawlsi wlsasi lwsasi wslasi swlasi lswasi slwasi alswsi laswsi aslwsi salwsi lsawsi slawsi swilsa wsilsa siwlsa iswlsa wislsa iwslsa swlisa wslisa slwisa lswisa wlsisa lwsisa silwsa islwsa sliwsa lsiwsa ilswsa liswsa wilssa iwlssa wlissa lwissa ilwssa liwssa swisla wsisla siwsla iswsla wissla iwssla swsila wssila sswila sswila wssila swsila siswla isswla ssiwla ssiwla isswla siswla wissla iwssla wsisla swisla iswsla siwsla swlsia wslsia slwsia lswsia wlssia lwssia swslia wsslia sswlia sswlia wsslia swslia slswia lsswia sslwia sslwia lsswia slswia wlssia lwssia wslsia swlsia lswsia slwsia silswa islswa sliswa lsiswa ilsswa lisswa sislwa isslwa ssilwa ssilwa isslwa sislwa slsiwa lssiwa ssliwa ssliwa lssiwa slsiwa ilsswa lisswa islswa silswa lsiswa sliswa wilssa iwlssa wlissa lwissa ilwssa liwssa wislsa iwslsa wsilsa swilsa iswlsa siwlsa wlsisa lwsisa wslisa swlisa lswisa slwisa ilswsa liswsa islwsa silwsa lsiwsa sliwsa sailsw asilsw sialsw isalsw aislsw iaslsw salisw aslisw slaisw lsaisw alsisw lasisw silasw islasw sliasw lsiasw ilsasw lisasw ailssw ialssw alissw laissw ilassw liassw saislw asislw siaslw isaslw aisslw iasslw sasilw assilw ssailw ssailw assilw sasilw sisalw issalw ssialw ssialw issalw sisalw aisslw iasslw asislw saislw isaslw siaslw salsiw aslsiw slasiw lsasiw alssiw lassiw sasliw assliw ssaliw ssaliw assliw sasliw slsaiw lssaiw sslaiw sslaiw lssaiw slsaiw alssiw lassiw aslsiw salsiw lsasiw slasiw silsaw islsaw slisaw lsisaw ilssaw lissaw sislaw isslaw ssilaw ssilaw isslaw sislaw slsiaw lssiaw ssliaw ssliaw lssiaw slsiaw ilssaw lissaw islsaw silsaw lsisaw slisaw ailssw ialssw alissw laissw ilassw liassw aislsw iaslsw asilsw sailsw isalsw sialsw alsisw lasisw aslisw salisw lsaisw slaisw ilsasw lisasw islasw silasw lsiasw sliasw wailss awilss wialss iwalss aiwlss iawlss waliss awliss wlaiss lwaiss alwiss lawiss wilass iwlass wliass lwiass ilwass liwass ailwss ialwss aliwss laiwss ilawss liawss waisls awisls wiasls iwasls aiwsls iawsls wasils awsils wsails swails aswils sawils wisals iwsals wsials swials iswals siwals aiswls iaswls asiwls saiwls isawls siawls walsis awlsis wlasis lwasis alwsis lawsis waslis awslis wsalis swalis aswlis sawlis wlsais lwsais wslais swlais lswais slwais alswis laswis aslwis salwis lsawis slawis wilsas iwlsas wlisas lwisas ilwsas liwsas wislas iwslas wsilas swilas iswlas siwlas wlsias lwsias wslias swlias lswias slwias ilswas liswas islwas silwas lsiwas sliwas ailsws ialsws alisws laisws ilasws liasws aislws iaslws asilws sailws isalws sialws alsiws lasiws asliws saliws lsaiws slaiws ilsaws lisaws islaws silaws lsiaws sliaws
Note: these 'words' (valid or invalid) are all the permutations of the word swails. These words are obtained by scrambling the letters in swails.