erning rening enring nering rneing nreing erinng reinng eirnng iernng rienng irenng enirng neirng einrng ienrng nierng inerng rnieng nrieng rineng irneng nireng inreng ernnig rennig enrnig nernig rnenig nrenig ernnig rennig enrnig nernig rnenig nrenig ennrig nenrig ennrig nenrig nnerig nnerig rnneig nrneig rnneig nrneig nnreig nnreig erinng reinng eirnng iernng rienng irenng erning rening enring nering rneing nreing einrng ienrng enirng neirng inerng nierng rineng irneng rnieng nrieng inreng nireng eninrg neinrg einnrg iennrg nienrg inenrg ennirg nenirg ennirg nenirg nneirg nneirg einnrg iennrg eninrg neinrg inenrg nienrg ninerg innerg nnierg nnierg innerg ninerg rnineg nrineg rinneg irnneg nirneg inrneg rnnieg nrnieg rnnieg nrnieg nnrieg nnrieg rinneg irnneg rnineg nrineg inrneg nirneg ninreg innreg nnireg nnireg innreg ninreg ernign renign enrign nerign rneign nreign eringn reingn eirngn ierngn riengn irengn enirgn neirgn einrgn ienrgn niergn inergn rniegn nriegn rinegn irnegn niregn inregn erngin rengin enrgin nergin rnegin nregin ergnin regnin egrnin gernin rgenin grenin engrin negrin egnrin genrin ngerin gnerin rngein nrgein rgnein grnein ngrein gnrein erignn reignn eirgnn iergnn riegnn iregnn erginn reginn egrinn gerinn rgeinn greinn eigrnn iegrnn egirnn geirnn igernn giernn rigenn irgenn rgienn grienn igrenn girenn enigrn neigrn eingrn iengrn niegrn inegrn engirn negirn egnirn genirn ngeirn gneirn eignrn iegnrn eginrn geinrn igenrn gienrn nigern ingern ngiern gniern ignern ginern rnigen nrigen ringen irngen nirgen inrgen rngien nrgien rgnien grnien ngrien gnrien rignen irgnen rginen grinen igrnen girnen nigren ingren ngiren gniren ignren ginren ernngi renngi enrngi nerngi rnengi nrengi ernngi renngi enrngi nerngi rnengi nrengi ennrgi nenrgi ennrgi nenrgi nnergi nnergi rnnegi nrnegi rnnegi nrnegi nnregi nnregi erngni rengni enrgni nergni rnegni nregni ergnni regnni egrnni gernni rgenni grenni engrni negrni egnrni genrni ngerni gnerni rngeni nrgeni rgneni grneni ngreni gnreni erngni rengni enrgni nergni rnegni nregni ergnni regnni egrnni gernni rgenni grenni engrni negrni egnrni genrni ngerni gnerni rngeni nrgeni rgneni grneni ngreni gnreni enngri nengri enngri nengri nnegri nnegri engnri negnri egnnri gennri ngenri gnenri engnri negnri egnnri gennri ngenri gnenri nngeri nngeri ngneri gnneri ngneri gnneri rnngei nrngei rnngei nrngei nnrgei nnrgei rngnei nrgnei rgnnei grnnei ngrnei gnrnei rngnei nrgnei rgnnei grnnei ngrnei gnrnei nngrei nngrei ngnrei gnnrei ngnrei gnnrei eringn reingn eirngn ierngn riengn irengn ernign renign enrign nerign rneign nreign einrgn ienrgn enirgn neirgn inergn niergn rinegn irnegn rniegn nriegn inregn niregn erignn reignn eirgnn iergnn riegnn iregnn erginn reginn egrinn gerinn rgeinn greinn eigrnn iegrnn egirnn geirnn igernn giernn rigenn irgenn rgienn grienn igrenn girenn erngin rengin enrgin nergin rnegin nregin ergnin regnin egrnin gernin rgenin grenin engrin negrin egnrin genrin ngerin gnerin rngein nrgein rgnein grnein ngrein gnrein eingrn iengrn enigrn neigrn inegrn niegrn eignrn iegnrn eginrn geinrn igenrn gienrn engirn negirn egnirn genirn ngeirn gneirn ingern nigern ignern ginern ngiern gniern ringen irngen rnigen nrigen inrgen nirgen rignen irgnen rginen grinen igrnen girnen rngien nrgien rgnien grnien ngrien gnrien ingren nigren ignren ginren ngiren gniren eningr neingr einngr ienngr niengr inengr ennigr nenigr ennigr nenigr nneigr nneigr einngr ienngr eningr neingr inengr niengr ninegr innegr nniegr nniegr innegr ninegr enignr neignr eingnr iengnr niegnr inegnr enginr neginr egninr geninr ngeinr gneinr eignnr iegnnr eginnr geinnr igennr giennr nigenr ingenr ngienr gnienr ignenr ginenr enngir nengir enngir nengir nnegir nnegir engnir negnir egnnir gennir ngenir gnenir engnir negnir egnnir gennir ngenir gnenir nngeir nngeir ngneir gnneir ngneir gnneir eingnr iengnr enignr neignr inegnr niegnr eignnr iegnnr eginnr geinnr igennr giennr enginr neginr egninr geninr ngeinr gneinr ingenr nigenr ignenr ginenr ngienr gnienr ninger innger nniger nniger innger ninger nigner ingner nginer gniner ignner ginner nngier nngier ngnier gnnier ngnier gnnier ingner nigner ignner ginner nginer gniner rninge nringe rinnge irnnge nirnge inrnge rnnige nrnige rnnige nrnige nnrige nnrige rinnge irnnge rninge nringe inrnge nirnge ninrge innrge nnirge nnirge innrge ninrge rnigne nrigne ringne irngne nirgne inrgne rngine nrgine rgnine grnine ngrine gnrine rignne irgnne rginne grinne igrnne girnne nigrne ingrne ngirne gnirne ignrne ginrne rnngie nrngie rnngie nrngie nnrgie nnrgie rngnie nrgnie rgnnie grnnie ngrnie gnrnie rngnie nrgnie rgnnie grnnie ngrnie gnrnie nngrie nngrie ngnrie gnnrie ngnrie gnnrie ringne irngne rnigne nrigne inrgne nirgne rignne irgnne rginne grinne igrnne girnne rngine nrgine rgnine grnine ngrine gnrine ingrne nigrne ignrne ginrne ngirne gnirne ningre inngre nnigre nnigre inngre ningre nignre ingnre nginre gninre ignnre ginnre nngire nngire ngnire gnnire ngnire gnnire ingnre nignre ignnre ginnre nginre gninre
Note: these 'words' (valid or invalid) are all the permutations of the word erning. These words are obtained by scrambling the letters in erning.