issles sisles issles sisles ssiles ssiles islses silses ilsses lisses slises lsises islses silses ilsses lisses slises lsises sslies sslies slsies lssies slsies lssies issels sisels issels sisels ssiels ssiels isesls siesls iessls eissls seisls esisls isesls siesls iessls eissls seisls esisls sseils sseils sesils essils sesils essils isless siless ilsess lisess sliess lsiess iselss sielss ieslss eislss seilss esilss ilesss liesss ielsss eilsss leisss elisss sleiss lseiss seliss esliss lesiss elsiss isless siless ilsess lisess sliess lsiess iselss sielss ieslss eislss seilss esilss ilesss liesss ielsss eilsss leisss elisss sleiss lseiss seliss esliss lesiss elsiss ssleis ssleis slseis lsseis slseis lsseis sselis sselis seslis esslis seslis esslis slesis lsesis selsis eslsis lessis elssis slesis lsesis selsis eslsis lessis elssis isslse sislse isslse sislse ssilse ssilse islsse silsse ilssse lissse slisse lsisse islsse silsse ilssse lissse slisse lsisse sslise sslise slsise lssise slsise lssise isssle sissle isssle sissle ssisle ssisle isssle sissle isssle sissle ssisle ssisle isssle sissle isssle sissle ssisle ssisle sssile sssile sssile sssile sssile sssile islsse silsse ilssse lissse slisse lsisse isslse sislse isslse sislse ssilse ssilse ilssse lissse islsse silsse lsisse slisse slsise lssise sslise sslise lssise slsise islsse silsse ilssse lissse slisse lsisse isslse sislse isslse sislse ssilse ssilse ilssse lissse islsse silsse lsisse slisse slsise lssise sslise sslise lssise slsise sslsie sslsie slssie lsssie slssie lsssie ssslie ssslie ssslie ssslie ssslie ssslie slssie lsssie sslsie sslsie lsssie slssie slssie lsssie sslsie sslsie lsssie slssie issesl sisesl issesl sisesl ssiesl ssiesl isessl siessl iesssl eisssl seissl esissl isessl siessl iesssl eisssl seissl esissl sseisl sseisl sesisl essisl sesisl essisl isssel sissel isssel sissel ssisel ssisel isssel sissel isssel sissel ssisel ssisel isssel sissel isssel sissel ssisel ssisel sssiel sssiel sssiel sssiel sssiel sssiel isessl siessl iesssl eisssl seissl esissl issesl sisesl issesl sisesl ssiesl ssiesl iesssl eisssl isessl siessl esissl seissl sesisl essisl sseisl sseisl essisl sesisl isessl siessl iesssl eisssl seissl esissl issesl sisesl issesl sisesl ssiesl ssiesl iesssl eisssl isessl siessl esissl seissl sesisl essisl sseisl sseisl essisl sesisl ssesil ssesil sessil esssil sessil esssil ssseil ssseil ssseil ssseil ssseil ssseil sessil esssil ssesil ssesil esssil sessil sessil esssil ssesil ssesil esssil sessil isless siless ilsess lisess sliess lsiess iselss sielss ieslss eislss seilss esilss ilesss liesss ielsss eilsss leisss elisss sleiss lseiss seliss esliss lesiss elsiss islses silses ilsses lisses slises lsises issles sisles issles sisles ssiles ssiles ilsses lisses islses silses lsises slises slsies lssies sslies sslies lssies slsies isesls siesls iessls eissls seisls esisls issels sisels issels sisels ssiels ssiels iessls eissls isesls siesls esisls seisls sesils essils sseils sseils essils sesils ilesss liesss ielsss eilsss leisss elisss ilsess lisess isless siless lsiess sliess ieslss eislss iselss sielss esilss seilss lesiss elsiss lseiss sleiss esliss seliss slesis lsesis selsis eslsis lessis elssis slseis lsseis ssleis ssleis lsseis slseis seslis esslis sselis sselis esslis seslis lessis elssis lsesis slesis eslsis selsis isless siless ilsess lisess sliess lsiess iselss sielss ieslss eislss seilss esilss ilesss liesss ielsss eilsss leisss elisss sleiss lseiss seliss esliss lesiss elsiss islses silses ilsses lisses slises lsises issles sisles issles sisles ssiles ssiles ilsses lisses islses silses lsises slises slsies lssies sslies sslies lssies slsies isesls siesls iessls eissls seisls esisls issels sisels issels sisels ssiels ssiels iessls eissls isesls siesls esisls seisls sesils essils sseils sseils essils sesils ilesss liesss ielsss eilsss leisss elisss ilsess lisess isless siless lsiess sliess ieslss eislss iselss sielss esilss seilss lesiss elsiss lseiss sleiss esliss seliss slesis lsesis selsis eslsis lessis elssis slseis lsseis ssleis ssleis lsseis slseis seslis esslis sselis sselis esslis seslis lessis elssis lsesis slesis eslsis selsis sslesi sslesi slsesi lssesi slsesi lssesi sselsi sselsi seslsi esslsi seslsi esslsi slessi lsessi selssi eslssi lesssi elsssi slessi lsessi selssi eslssi lesssi elsssi sslsei sslsei slssei lsssei slssei lsssei ssslei ssslei ssslei ssslei ssslei ssslei slssei lsssei sslsei sslsei lsssei slssei slssei lsssei sslsei sslsei lsssei slssei ssesli ssesli sessli esssli sessli esssli ssseli ssseli ssseli ssseli ssseli ssseli sessli esssli ssesli ssesli esssli sessli sessli esssli ssesli ssesli esssli sessli slessi lsessi selssi eslssi lesssi elsssi slsesi lssesi sslesi sslesi lssesi slsesi seslsi esslsi sselsi sselsi esslsi seslsi lesssi elsssi lsessi slessi eslssi selssi slessi lsessi selssi eslssi lesssi elsssi slsesi lssesi sslesi sslesi lssesi slsesi seslsi esslsi sselsi sselsi esslsi seslsi lesssi elsssi lsessi slessi eslssi selssi
Note: these 'words' (valid or invalid) are all the permutations of the word issles. These words are obtained by scrambling the letters in issles.