lisles ilsles lsiles sliles islles silles lilses illses llises llises illses lilses lslies sllies llsies llsies sllies lslies islles silles ilsles lisles sliles lsiles lisels ilsels lsiels sliels islels silels liesls ilesls leisls elisls ielsls eilsls lseils sleils lesils elsils selils eslils isells siells ieslls eislls seills esills liless illess lliess lliess illess liless lielss ilelss leilss elilss iellss eillss lleiss lleiss leliss elliss leliss elliss ilelss lielss iellss eillss leilss elilss lsleis slleis llseis llseis slleis lsleis lselis slelis leslis elslis sellis esllis llesis llesis lelsis ellsis lelsis ellsis slelis lselis sellis esllis leslis elslis islels silels ilsels lisels sliels lsiels isells siells ieslls eislls seills esills ilesls liesls ielsls eilsls leisls elisls sleils lseils selils eslils lesils elsils lislse ilslse lsilse slilse isllse sillse lilsse illsse llisse llisse illsse lilsse lslise sllise llsise llsise sllise lslise isllse sillse ilslse lislse slilse lsilse lissle ilssle lsisle slisle islsle silsle lissle ilssle lsisle slisle islsle silsle lssile slsile lssile slsile sslile sslile isslle sislle isslle sislle ssille ssille lilsse illsse llisse llisse illsse lilsse lislse ilslse lsilse slilse isllse sillse llsise llsise lslise sllise lslise sllise ilslse lislse isllse sillse lsilse slilse lslsie sllsie llssie llssie sllsie lslsie lsslie slslie lsslie slslie ssllie ssllie llssie llssie lslsie sllsie lslsie sllsie slslie lsslie ssllie ssllie lsslie slslie islsle silsle ilssle lissle slisle lsisle isslle sislle isslle sislle ssille ssille ilssle lissle islsle silsle lsisle slisle slsile lssile sslile sslile lssile slsile lisesl ilsesl lsiesl sliesl islesl silesl liessl ilessl leissl elissl ielssl eilssl lseisl sleisl lesisl elsisl selisl eslisl iselsl sielsl ieslsl eislsl seilsl esilsl lissel ilssel lsisel slisel islsel silsel lissel ilssel lsisel slisel islsel silsel lssiel slsiel lssiel slsiel ssliel ssliel isslel sislel isslel sislel ssilel ssilel liessl ilessl leissl elissl ielssl eilssl lisesl ilsesl lsiesl sliesl islesl silesl lesisl elsisl lseisl sleisl eslisl selisl ieslsl eislsl iselsl sielsl esilsl seilsl lsesil slesil lessil elssil selsil eslsil lsseil slseil lsseil slseil ssleil ssleil lessil elssil lsesil slesil eslsil selsil seslil esslil sselil sselil esslil seslil isesll siesll iessll eissll seisll esisll issell sisell issell sisell ssiell ssiell iessll eissll isesll siesll esisll seisll sesill essill sseill sseill essill sesill liless illess lliess lliess illess liless lielss ilelss leilss elilss iellss eillss lleiss lleiss leliss elliss leliss elliss ilelss lielss iellss eillss leilss elilss lilses illses llises llises illses lilses lisles ilsles lsiles sliles islles silles llsies llsies lslies sllies lslies sllies ilsles lisles islles silles lsiles sliles liesls ilesls leisls elisls ielsls eilsls lisels ilsels lsiels sliels islels silels lesils elsils lseils sleils eslils selils ieslls eislls isells siells esills seills llesis llesis lelsis ellsis lelsis ellsis llseis llseis lsleis slleis lsleis slleis leslis elslis lselis slelis esllis sellis leslis elslis lselis slelis esllis sellis ilesls liesls ielsls eilsls leisls elisls ilsels lisels islels silels lsiels sliels ieslls eislls isells siells esills seills lesils elsils lseils sleils eslils selils lslesi sllesi llsesi llsesi sllesi lslesi lselsi slelsi leslsi elslsi sellsi esllsi llessi llessi lelssi ellssi lelssi ellssi slelsi lselsi sellsi esllsi leslsi elslsi lslsei sllsei llssei llssei sllsei lslsei lsslei slslei lsslei slslei ssllei ssllei llssei llssei lslsei sllsei lslsei sllsei slslei lsslei ssllei ssllei lsslei slslei lsesli slesli lessli elssli selsli eslsli lsseli slseli lsseli slseli ssleli ssleli lessli elssli lsesli slesli eslsli selsli seslli esslli sselli sselli esslli seslli llessi llessi lelssi ellssi lelssi ellssi llsesi llsesi lslesi sllesi lslesi sllesi leslsi elslsi lselsi slelsi esllsi sellsi leslsi elslsi lselsi slelsi esllsi sellsi slesli lsesli selsli eslsli lessli elssli slseli lsseli ssleli ssleli lsseli slseli seslli esslli sselli sselli esslli seslli lessli elssli lsesli slesli eslsli selsli islesl silesl ilsesl lisesl sliesl lsiesl iselsl sielsl ieslsl eislsl seilsl esilsl ilessl liessl ielssl eilssl leissl elissl sleisl lseisl selisl eslisl lesisl elsisl islsel silsel ilssel lissel slisel lsisel isslel sislel isslel sislel ssilel ssilel ilssel lissel islsel silsel lsisel slisel slsiel lssiel ssliel ssliel lssiel slsiel isesll siesll iessll eissll seisll esisll issell sisell issell sisell ssiell ssiell iessll eissll isesll siesll esisll seisll sesill essill sseill sseill essill sesill ilessl liessl ielssl eilssl leissl elissl ilsesl lisesl islesl silesl lsiesl sliesl ieslsl eislsl iselsl sielsl esilsl seilsl lesisl elsisl lseisl sleisl eslisl selisl slesil lsesil selsil eslsil lessil elssil slseil lsseil ssleil ssleil lsseil slseil seslil esslil sselil sselil esslil seslil lessil elssil lsesil slesil eslsil selsil
Note: these 'words' (valid or invalid) are all the permutations of the word lisles. These words are obtained by scrambling the letters in lisles.