wrest rwest werst ewrst rewst erwst wrset rwset wsret swret rswet srwet wesrt ewsrt wsert swert eswrt sewrt reswt erswt rsewt srewt esrwt serwt wrets rwets werts ewrts rewts erwts wrtes rwtes wtres twres rtwes trwes wetrs ewtrs wters twers etwrs tewrs retws ertws rtews trews etrws terws wrste rwste wsrte swrte rswte srwte wrtse rwtse wtrse twrse rtwse trwse wstre swtre wtsre twsre stwre tswre rstwe srtwe rtswe trswe strwe tsrwe westr ewstr wsetr swetr eswtr sewtr wetsr ewtsr wtesr twesr etwsr tewsr wster swter wtser twser stwer tswer estwr setwr etswr teswr stewr tsewr restw erstw rsetw sretw esrtw sertw retsw ertsw rtesw tresw etrsw tersw rstew srtew rtsew trsew strew tsrew estrw setrw etsrw tesrw sterw tserw
Note: these 'words' (valid or invalid) are all the permutations of the word wrest. These words are obtained by scrambling the letters in wrest.