swain wsain sawin aswin wasin awsin swian wsian siwan iswan wisan iwsan saiwn asiwn siawn isawn aiswn iaswn waisn awisn wiasn iwasn aiwsn iawsn swani wsani sawni aswni wasni awsni swnai wsnai snwai nswai wnsai nwsai sanwi asnwi snawi nsawi answi naswi wansi awnsi wnasi nwasi anwsi nawsi swina wsina siwna iswna wisna iwsna swnia wsnia snwia nswia wnsia nwsia sinwa isnwa sniwa nsiwa inswa niswa winsa iwnsa wnisa nwisa inwsa niwsa sainw asinw sianw isanw aisnw iasnw saniw asniw snaiw nsaiw ansiw nasiw sinaw isnaw sniaw nsiaw insaw nisaw ainsw iansw anisw naisw inasw niasw wains awins wians iwans aiwns iawns wanis awnis wnais nwais anwis nawis winas iwnas wnias nwias inwas niwas ainws ianws aniws naiws inaws niaws
Note: these 'words' (valid or invalid) are all the permutations of the word swain. These words are obtained by scrambling the letters in swain.