arbour rabour abrour barour rbaour braour arobur raobur aorbur oarbur roabur orabur aborur baorur aobrur oabrur boarur obarur rboaur broaur robaur orbaur boraur obraur arbuor rabuor abruor baruor rbauor brauor arubor raubor aurbor uarbor ruabor urabor aburor bauror aubror uabror buaror ubaror rbuaor bruaor rubaor urbaor buraor ubraor aroubr raoubr aorubr oarubr roaubr oraubr aruobr rauobr aurobr uarobr ruaobr uraobr aourbr oaurbr auorbr uaorbr ouarbr uoarbr rouabr oruabr ruoabr uroabr ourabr uorabr abourr baourr aoburr oaburr boaurr obaurr abuorr bauorr auborr uaborr buaorr ubaorr aoubrr oaubrr auobrr uaobrr ouabrr uoabrr bouarr obuarr buoarr uboarr oubarr uobarr rbouar brouar robuar orbuar boruar obruar rbuoar bruoar ruboar urboar buroar ubroar roubar orubar ruobar urobar ourbar uorbar bourar oburar buorar uborar oubrar uobrar arboru raboru abroru baroru rbaoru braoru arobru raobru aorbru oarbru roabru orabru aborru baorru aobrru oabrru boarru obarru rboaru broaru robaru orbaru boraru obraru arbrou rabrou abrrou barrou rbarou brarou arrbou rarbou arrbou rarbou rrabou rrabou abrrou barrou arbrou rabrou brarou rbarou rbraou brraou rrbaou rrbaou brraou rbraou arorbu raorbu aorrbu oarrbu roarbu orarbu arrobu rarobu arrobu rarobu rraobu rraobu aorrbu oarrbu arorbu raorbu orarbu roarbu rorabu orrabu rroabu rroabu orrabu rorabu aborru baorru aobrru oabrru boarru obarru abroru baroru arboru raboru braoru rbaoru aorbru oarbru arobru raobru orabru roabru boraru obraru broaru rboaru orbaru robaru rborau brorau robrau orbrau borrau obrrau rbroau brroau rrboau rrboau brroau rbroau rorbau orrbau rrobau rrobau orrbau rorbau borrau obrrau brorau rborau orbrau robrau arburo raburo abruro baruro rbauro brauro arubro raubro aurbro uarbro ruabro urabro aburro baurro aubrro uabrro buarro ubarro rbuaro bruaro rubaro urbaro buraro ubraro arbruo rabruo abrruo barruo rbaruo braruo arrbuo rarbuo arrbuo rarbuo rrabuo rrabuo abrruo barruo arbruo rabruo braruo rbaruo rbrauo brrauo rrbauo rrbauo brrauo rbrauo arurbo raurbo aurrbo uarrbo ruarbo urarbo arrubo rarubo arrubo rarubo rraubo rraubo aurrbo uarrbo arurbo raurbo urarbo ruarbo rurabo urrabo rruabo rruabo urrabo rurabo aburro baurro aubrro uabrro buarro ubarro abruro baruro arburo raburo brauro rbauro aurbro uarbro arubro raubro urabro ruabro buraro ubraro bruaro rbuaro urbaro rubaro rburao brurao rubrao urbrao burrao ubrrao rbruao brruao rrbuao rrbuao brruao rbruao rurbao urrbao rrubao rrubao urrbao rurbao burrao ubrrao brurao rburao urbrao rubrao arourb raourb aorurb oarurb roaurb oraurb aruorb rauorb aurorb uarorb ruaorb uraorb aourrb oaurrb auorrb uaorrb ouarrb uoarrb rouarb oruarb ruoarb uroarb ourarb uorarb arorub raorub aorrub oarrub roarub orarub arroub raroub arroub raroub rraoub rraoub aorrub oarrub arorub raorub orarub roarub roraub orraub rroaub rroaub orraub roraub arurob raurob aurrob uarrob ruarob urarob arruob raruob arruob raruob rrauob rrauob aurrob uarrob arurob raurob urarob ruarob ruraob urraob rruaob rruaob urraob ruraob aourrb oaurrb auorrb uaorrb ouarrb uoarrb aorurb oarurb arourb raourb oraurb roaurb aurorb uarorb aruorb rauorb uraorb ruaorb ourarb uorarb oruarb rouarb uroarb ruoarb rourab orurab ruorab urorab ourrab uorrab roruab orruab rrouab rrouab orruab roruab ruroab urroab rruoab rruoab urroab ruroab ourrab uorrab orurab rourab urorab ruorab abourr baourr aoburr oaburr boaurr obaurr abuorr bauorr auborr uaborr buaorr ubaorr aoubrr oaubrr auobrr uaobrr ouabrr uoabrr bouarr obuarr buoarr uboarr oubarr uobarr aborur baorur aobrur oabrur boarur obarur abrour barour arbour rabour braour rbaour aorbur oarbur arobur raobur orabur roabur boraur obraur broaur rboaur orbaur robaur aburor bauror aubror uabror buaror ubaror abruor baruor arbuor rabuor brauor rbauor aurbor uarbor arubor raubor urabor ruabor buraor ubraor bruaor rbuaor urbaor rubaor aourbr oaurbr auorbr uaorbr ouarbr uoarbr aorubr oarubr aroubr raoubr oraubr roaubr aurobr uarobr aruobr rauobr uraobr ruaobr ourabr uorabr oruabr rouabr uroabr ruoabr bourar oburar buorar uborar oubrar uobrar boruar obruar brouar rbouar orbuar robuar buroar ubroar bruoar rbuoar urboar ruboar ourbar uorbar orubar roubar urobar ruobar rboura broura robura orbura borura obrura rbuora bruora rubora urbora burora ubrora roubra orubra ruobra urobra ourbra uorbra bourra oburra buorra uborra oubrra uobrra rborua brorua robrua orbrua borrua obrrua rbroua brroua rrboua rrboua brroua rbroua rorbua orrbua rrobua rrobua orrbua rorbua borrua obrrua brorua rborua orbrua robrua rburoa bruroa rubroa urbroa burroa ubrroa rbruoa brruoa rrbuoa rrbuoa brruoa rbruoa rurboa urrboa rruboa rruboa urrboa rurboa burroa ubrroa bruroa rburoa urbroa rubroa rourba orurba ruorba urorba ourrba uorrba roruba orruba rrouba rrouba orruba roruba ruroba urroba rruoba rruoba urroba ruroba ourrba uorrba orurba rourba urorba ruorba bourra oburra buorra uborra oubrra uobrra borura obrura broura rboura orbura robura burora ubrora bruora rbuora urbora rubora ourbra uorbra orubra roubra urobra ruobra
Note: these 'words' (valid or invalid) are all the permutations of the word arbour. These words are obtained by scrambling the letters in arbour.