ridger irdger rdiger driger idrger dirger rigder irgder rgider grider igrder girder rdgier drgier rgdier grdier dgrier gdrier idgrer digrer igdrer gidrer dgirer gdirer ridegr irdegr rdiegr driegr idregr diregr riedgr iredgr reidgr eridgr ierdgr eirdgr rdeigr dreigr redigr erdigr derigr edrigr idergr diergr iedrgr eidrgr deirgr edirgr rigedr irgedr rgiedr griedr igredr giredr riegdr iregdr reigdr erigdr iergdr eirgdr rgeidr greidr regidr ergidr geridr egridr igerdr gierdr iegrdr eigrdr geirdr egirdr rdgeir drgeir rgdeir grdeir dgreir gdreir rdegir dregir redgir erdgir dergir edrgir rgedir gredir regdir ergdir gerdir egrdir dgerir gderir degrir edgrir gedrir egdrir idgerr digerr igderr giderr dgierr gdierr idegrr diegrr iedgrr eidgrr deigrr edigrr igedrr giedrr iegdrr eigdrr geidrr egidrr dgeirr gdeirr degirr edgirr gedirr egdirr ridgre irdgre rdigre drigre idrgre dirgre rigdre irgdre rgidre gridre igrdre girdre rdgire drgire rgdire grdire dgrire gdrire idgrre digrre igdrre gidrre dgirre gdirre ridrge irdrge rdirge drirge idrrge dirrge rirdge irrdge rridge rridge irrdge rirdge rdrige drrige rrdige rrdige drrige rdrige idrrge dirrge irdrge ridrge drirge rdirge rigrde irgrde rgirde grirde igrrde girrde rirgde irrgde rrigde rrigde irrgde rirgde rgride grride rrgide rrgide grride rgride igrrde girrde irgrde rigrde grirde rgirde rdgrie drgrie rgdrie grdrie dgrrie gdrrie rdrgie drrgie rrdgie rrdgie drrgie rdrgie rgrdie grrdie rrgdie rrgdie grrdie rgrdie dgrrie gdrrie drgrie rdgrie grdrie rgdrie idgrre digrre igdrre gidrre dgirre gdirre idrgre dirgre irdgre ridgre drigre rdigre igrdre girdre irgdre rigdre gridre rgidre dgrire gdrire drgire rdgire grdire rgdire riderg irderg rdierg drierg idrerg direrg riedrg iredrg reidrg eridrg ierdrg eirdrg rdeirg dreirg redirg erdirg derirg edrirg iderrg dierrg iedrrg eidrrg deirrg edirrg ridreg irdreg rdireg drireg idrreg dirreg rirdeg irrdeg rrideg rrideg irrdeg rirdeg rdrieg drrieg rrdieg rrdieg drrieg rdrieg idrreg dirreg irdreg ridreg drireg rdireg rierdg irerdg reirdg erirdg ierrdg eirrdg riredg irredg rriedg rriedg irredg riredg reridg erridg rreidg rreidg erridg reridg ierrdg eirrdg irerdg rierdg erirdg reirdg rderig drerig redrig erdrig derrig edrrig rdreig drreig rrdeig rrdeig drreig rdreig rerdig errdig rredig rredig errdig rerdig derrig edrrig drerig rderig erdrig redrig iderrg dierrg iedrrg eidrrg deirrg edirrg idrerg direrg irderg riderg drierg rdierg ierdrg eirdrg iredrg riedrg eridrg reidrg derirg edrirg dreirg rdeirg erdirg redirg rigerd irgerd rgierd grierd igrerd girerd riegrd iregrd reigrd erigrd iergrd eirgrd rgeird greird regird ergird gerird egrird igerrd gierrd iegrrd eigrrd geirrd egirrd rigred irgred rgired grired igrred girred rirged irrged rriged rriged irrged rirged rgried grried rrgied rrgied grried rgried igrred girred irgred rigred grired rgired riergd irergd reirgd erirgd ierrgd eirrgd riregd irregd rriegd rriegd irregd riregd rerigd errigd rreigd rreigd errigd rerigd ierrgd eirrgd irergd riergd erirgd reirgd rgerid grerid regrid ergrid gerrid egrrid rgreid grreid rrgeid rrgeid grreid rgreid rergid errgid rregid rregid errgid rergid gerrid egrrid grerid rgerid ergrid regrid igerrd gierrd iegrrd eigrrd geirrd egirrd igrerd girerd irgerd rigerd grierd rgierd iergrd eirgrd iregrd riegrd erigrd reigrd gerird egrird greird rgeird ergird regird rdgeri drgeri rgderi grderi dgreri gdreri rdegri dregri redgri erdgri dergri edrgri rgedri gredri regdri ergdri gerdri egrdri dgerri gderri degrri edgrri gedrri egdrri rdgrei drgrei rgdrei grdrei dgrrei gdrrei rdrgei drrgei rrdgei rrdgei drrgei rdrgei rgrdei grrdei rrgdei rrgdei grrdei rgrdei dgrrei gdrrei drgrei rdgrei grdrei rgdrei rdergi drergi redrgi erdrgi derrgi edrrgi rdregi drregi rrdegi rrdegi drregi rdregi rerdgi errdgi rredgi rredgi errdgi rerdgi derrgi edrrgi drergi rdergi erdrgi redrgi rgerdi grerdi regrdi ergrdi gerrdi egrrdi rgredi grredi rrgedi rrgedi grredi rgredi rergdi errgdi rregdi rregdi errgdi rergdi gerrdi egrrdi grerdi rgerdi ergrdi regrdi dgerri gderri degrri edgrri gedrri egdrri dgreri gdreri drgeri rdgeri grderi rgderi dergri edrgri dregri rdegri erdgri redgri gerdri egrdri gredri rgedri ergdri regdri idgerr digerr igderr giderr dgierr gdierr idegrr diegrr iedgrr eidgrr deigrr edigrr igedrr giedrr iegdrr eigdrr geidrr egidrr dgeirr gdeirr degirr edgirr gedirr egdirr idgrer digrer igdrer gidrer dgirer gdirer idrger dirger irdger ridger driger rdiger igrder girder irgder rigder grider rgider dgrier gdrier drgier rdgier grdier rgdier idergr diergr iedrgr eidrgr deirgr edirgr idregr diregr irdegr ridegr driegr rdiegr ierdgr eirdgr iredgr riedgr eridgr reidgr derigr edrigr dreigr rdeigr erdigr redigr igerdr gierdr iegrdr eigrdr geirdr egirdr igredr giredr irgedr rigedr griedr rgiedr iergdr eirgdr iregdr riegdr erigdr reigdr geridr egridr greidr rgeidr ergidr regidr dgerir gderir degrir edgrir gedrir egdrir dgreir gdreir drgeir rdgeir grdeir rgdeir dergir edrgir dregir rdegir erdgir redgir gerdir egrdir gredir rgedir ergdir regdir
Note: these 'words' (valid or invalid) are all the permutations of the word ridger. These words are obtained by scrambling the letters in ridger.