saint asint siant isant aisnt iasnt sanit asnit snait nsait ansit nasit sinat isnat sniat nsiat insat nisat ainst ianst anist naist inast niast saitn asitn siatn isatn aistn iastn satin astin stain tsain atsin tasin sitan istan stian tsian itsan tisan aitsn iatsn atisn taisn itasn tiasn santi asnti snati nsati ansti nasti satni astni stani tsani atsni tasni sntai nstai stnai tsnai ntsai tnsai antsi natsi atnsi tansi ntasi tnasi sinta isnta snita nsita insta nista sitna istna stina tsina itsna tisna sntia nstia stnia tsnia ntsia tnsia intsa nitsa itnsa tinsa ntisa tnisa aints iants anits naits inats niats aitns iatns atins tains itans tians antis natis atnis tanis ntais tnais intas nitas itnas tinas ntias tnias
Note: these 'words' (valid or invalid) are all the permutations of the word saint. These words are obtained by scrambling the letters in saint.