rites irtes rties tries itres tires riets irets reits erits ierts eirts rteis treis retis ertis teris etris iters tiers ietrs eitrs teirs etirs ritse irtse rtise trise itrse tirse riste irste rsite srite isrte sirte rtsie trsie rstie srtie tsrie strie itsre tisre istre sitre tsire stire riest irest reist erist ierst eirst riset irset rsiet sriet isret siret resit ersit rseit sreit esrit serit iesrt eisrt isert siert esirt seirt rtesi tresi retsi ertsi tersi etrsi rtsei trsei rstei srtei tsrei strei resti ersti rseti sreti esrti serti tesri etsri tseri steri estri setri itesr tiesr ietsr eitsr teisr etisr itser tiser ister siter tsier stier iestr eistr isetr sietr esitr seitr tesir etsir tseir steir estir setir
Note: these 'words' (valid or invalid) are all the permutations of the word rites. These words are obtained by scrambling the letters in rites.