frider rfider firder ifrder rifder irfder frdier rfdier fdrier dfrier rdfier drfier fidrer ifdrer fdirer dfirer idfrer difrer ridfer irdfer rdifer drifer idrfer dirfer friedr rfiedr firedr ifredr rifedr irfedr freidr rfeidr feridr efridr refidr erfidr fierdr iferdr feirdr efirdr iefrdr eifrdr riefdr irefdr reifdr erifdr ierfdr eirfdr frdeir rfdeir fdreir dfreir rdfeir drfeir fredir rfedir ferdir efrdir refdir erfdir fderir dferir fedrir efdrir defrir edfrir rdefir drefir redfir erdfir derfir edrfir fiderr ifderr fdierr dfierr idferr diferr fiedrr ifedrr feidrr efidrr iefdrr eifdrr fdeirr dfeirr fedirr efdirr defirr edfirr idefrr diefrr iedfrr eidfrr deifrr edifrr ridefr irdefr rdiefr driefr idrefr direfr riedfr iredfr reidfr eridfr ierdfr eirdfr rdeifr dreifr redifr erdifr derifr edrifr iderfr dierfr iedrfr eidrfr deirfr edirfr fridre rfidre firdre ifrdre rifdre irfdre frdire rfdire fdrire dfrire rdfire drfire fidrre ifdrre fdirre dfirre idfrre difrre ridfre irdfre rdifre drifre idrfre dirfre frirde rfirde firrde ifrrde rifrde irfrde frride rfride frride rfride rrfide rrfide firrde ifrrde frirde rfirde irfrde rifrde rirfde irrfde rrifde rrifde irrfde rirfde frdrie rfdrie fdrrie dfrrie rdfrie drfrie frrdie rfrdie frrdie rfrdie rrfdie rrfdie fdrrie dfrrie frdrie rfdrie drfrie rdfrie rdrfie drrfie rrdfie rrdfie drrfie rdrfie fidrre ifdrre fdirre dfirre idfrre difrre firdre ifrdre fridre rfidre irfdre rifdre fdrire dfrire frdire rfdire drfire rdfire idrfre dirfre irdfre ridfre drifre rdifre ridrfe irdrfe rdirfe drirfe idrrfe dirrfe rirdfe irrdfe rridfe rridfe irrdfe rirdfe rdrife drrife rrdife rrdife drrife rdrife idrrfe dirrfe irdrfe ridrfe drirfe rdirfe frierd rfierd firerd ifrerd riferd irferd freird rfeird ferird efrird refird erfird fierrd iferrd feirrd efirrd iefrrd eifrrd riefrd irefrd reifrd erifrd ierfrd eirfrd frired rfired firred ifrred rifred irfred frried rfried frried rfried rrfied rrfied firred ifrred frired rfired irfred rifred rirfed irrfed rrifed rrifed irrfed rirfed frerid rferid ferrid efrrid refrid erfrid frreid rfreid frreid rfreid rrfeid rrfeid ferrid efrrid frerid rferid erfrid refrid rerfid errfid rrefid rrefid errfid rerfid fierrd iferrd feirrd efirrd iefrrd eifrrd firerd ifrerd frierd rfierd irferd riferd ferird efrird freird rfeird erfird refird ierfrd eirfrd irefrd riefrd erifrd reifrd rierfd irerfd reirfd erirfd ierrfd eirrfd rirefd irrefd rriefd rriefd irrefd rirefd rerifd errifd rreifd rreifd errifd rerifd ierrfd eirrfd irerfd rierfd erirfd reirfd frderi rfderi fdreri dfreri rdferi drferi fredri rfedri ferdri efrdri refdri erfdri fderri dferri fedrri efdrri defrri edfrri rdefri drefri redfri erdfri derfri edrfri frdrei rfdrei fdrrei dfrrei rdfrei drfrei frrdei rfrdei frrdei rfrdei rrfdei rrfdei fdrrei dfrrei frdrei rfdrei drfrei rdfrei rdrfei drrfei rrdfei rrdfei drrfei rdrfei frerdi rferdi ferrdi efrrdi refrdi erfrdi frredi rfredi frredi rfredi rrfedi rrfedi ferrdi efrrdi frerdi rferdi erfrdi refrdi rerfdi errfdi rrefdi rrefdi errfdi rerfdi fderri dferri fedrri efdrri defrri edfrri fdreri dfreri frderi rfderi drferi rdferi ferdri efrdri fredri rfedri erfdri refdri derfri edrfri drefri rdefri erdfri redfri rderfi drerfi redrfi erdrfi derrfi edrrfi rdrefi drrefi rrdefi rrdefi drrefi rdrefi rerdfi errdfi rredfi rredfi errdfi rerdfi derrfi edrrfi drerfi rderfi erdrfi redrfi fiderr ifderr fdierr dfierr idferr diferr fiedrr ifedrr feidrr efidrr iefdrr eifdrr fdeirr dfeirr fedirr efdirr defirr edfirr idefrr diefrr iedfrr eidfrr deifrr edifrr fidrer ifdrer fdirer dfirer idfrer difrer firder ifrder frider rfider irfder rifder fdrier dfrier frdier rfdier drfier rdfier idrfer dirfer irdfer ridfer drifer rdifer fierdr iferdr feirdr efirdr iefrdr eifrdr firedr ifredr friedr rfiedr irfedr rifedr feridr efridr freidr rfeidr erfidr refidr ierfdr eirfdr irefdr riefdr erifdr reifdr fderir dferir fedrir efdrir defrir edfrir fdreir dfreir frdeir rfdeir drfeir rdfeir ferdir efrdir fredir rfedir erfdir refdir derfir edrfir drefir rdefir erdfir redfir iderfr dierfr iedrfr eidrfr deirfr edirfr idrefr direfr irdefr ridefr driefr rdiefr ierdfr eirdfr iredfr riedfr eridfr reidfr derifr edrifr dreifr rdeifr erdifr redifr riderf irderf rdierf drierf idrerf direrf riedrf iredrf reidrf eridrf ierdrf eirdrf rdeirf dreirf redirf erdirf derirf edrirf iderrf dierrf iedrrf eidrrf deirrf edirrf ridref irdref rdiref driref idrref dirref rirdef irrdef rridef rridef irrdef rirdef rdrief drrief rrdief rrdief drrief rdrief idrref dirref irdref ridref driref rdiref rierdf irerdf reirdf erirdf ierrdf eirrdf riredf irredf rriedf rriedf irredf riredf reridf erridf rreidf rreidf erridf reridf ierrdf eirrdf irerdf rierdf erirdf reirdf rderif drerif redrif erdrif derrif edrrif rdreif drreif rrdeif rrdeif drreif rdreif rerdif errdif rredif rredif errdif rerdif derrif edrrif drerif rderif erdrif redrif iderrf dierrf iedrrf eidrrf deirrf edirrf idrerf direrf irderf riderf drierf rdierf ierdrf eirdrf iredrf riedrf eridrf reidrf derirf edrirf dreirf rdeirf erdirf redirf
Note: these 'words' (valid or invalid) are all the permutations of the word frider. These words are obtained by scrambling the letters in frider.