sorbus osrbus srobus rsobus orsbus rosbus sobrus osbrus sborus bsorus obsrus bosrus srbous rsbous sbrous bsrous rbsous brsous orbsus robsus obrsus borsus rbosus brosus sorubs osrubs sroubs rsoubs orsubs rosubs sourbs osurbs suorbs usorbs ousrbs uosrbs sruobs rsuobs surobs usrobs rusobs ursobs orusbs rousbs oursbs uorsbs ruosbs urosbs soburs osburs sbours bsours obsurs bosurs soubrs osubrs suobrs usobrs ousbrs uosbrs sbuors bsuors subors usbors busors ubsors obusrs bousrs oubsrs uobsrs buosrs ubosrs srbuos rsbuos sbruos bsruos rbsuos brsuos srubos rsubos surbos usrbos rusbos ursbos sburos bsuros subros usbros busros ubsros rbusos brusos rubsos urbsos bursos ubrsos orbuss robuss obruss boruss rbouss brouss orubss roubss ourbss uorbss ruobss urobss oburss bourss oubrss uobrss buorss uborss rbuoss bruoss ruboss urboss buross ubross sorbsu osrbsu srobsu rsobsu orsbsu rosbsu sobrsu osbrsu sborsu bsorsu obsrsu bosrsu srbosu rsbosu sbrosu bsrosu rbsosu brsosu orbssu robssu obrssu borssu rbossu brossu sorsbu osrsbu srosbu rsosbu orssbu rossbu sosrbu ossrbu ssorbu ssorbu ossrbu sosrbu srsobu rssobu ssrobu ssrobu rssobu srsobu orssbu rossbu osrsbu sorsbu rsosbu srosbu sobsru osbsru sbosru bsosru obssru bossru sosbru ossbru ssobru ssobru ossbru sosbru sbsoru bssoru ssboru ssboru bssoru sbsoru obssru bossru osbsru sobsru bsosru sbosru srbsou rsbsou sbrsou bsrsou rbssou brssou srsbou rssbou ssrbou ssrbou rssbou srsbou sbsrou bssrou ssbrou ssbrou bssrou sbsrou rbssou brssou rsbsou srbsou bsrsou sbrsou orbssu robssu obrssu borssu rbossu brossu orsbsu rosbsu osrbsu sorbsu rsobsu srobsu obsrsu bosrsu osbrsu sobrsu bsorsu sborsu rbsosu brsosu rsbosu srbosu bsrosu sbrosu sorusb osrusb srousb rsousb orsusb rosusb soursb osursb suorsb usorsb ousrsb uosrsb sruosb rsuosb surosb usrosb rusosb ursosb orussb roussb ourssb uorssb ruossb urossb sorsub osrsub srosub rsosub orssub rossub sosrub ossrub ssorub ssorub ossrub sosrub srsoub rssoub ssroub ssroub rssoub srsoub orssub rossub osrsub sorsub rsosub srosub sousrb osusrb suosrb usosrb oussrb uossrb sosurb ossurb ssourb ssourb ossurb sosurb susorb ussorb ssuorb ssuorb ussorb susorb oussrb uossrb osusrb sousrb usosrb suosrb srusob rsusob sursob usrsob russob urssob srsuob rssuob ssruob ssruob rssuob srsuob susrob ussrob ssurob ssurob ussrob susrob russob urssob rsusob srusob usrsob sursob orussb roussb ourssb uorssb ruossb urossb orsusb rosusb osrusb sorusb rsousb srousb ousrsb uosrsb osursb soursb usorsb suorsb rusosb ursosb rsuosb sruosb usrosb surosb sobusr osbusr sbousr bsousr obsusr bosusr soubsr osubsr suobsr usobsr ousbsr uosbsr sbuosr bsuosr subosr usbosr busosr ubsosr obussr boussr oubssr uobssr buossr ubossr sobsur osbsur sbosur bsosur obssur bossur sosbur ossbur ssobur ssobur ossbur sosbur sbsour bssour ssbour ssbour bssour sbsour obssur bossur osbsur sobsur bsosur sbosur sousbr osusbr suosbr usosbr oussbr uossbr sosubr ossubr ssoubr ssoubr ossubr sosubr susobr ussobr ssuobr ssuobr ussobr susobr oussbr uossbr osusbr sousbr usosbr suosbr sbusor bsusor subsor usbsor bussor ubssor sbsuor bssuor ssbuor ssbuor bssuor sbsuor susbor ussbor ssubor ssubor ussbor susbor bussor ubssor bsusor sbusor usbsor subsor obussr boussr oubssr uobssr buossr ubossr obsusr bosusr osbusr sobusr bsousr sbousr ousbsr uosbsr osubsr soubsr usobsr suobsr busosr ubsosr bsuosr sbuosr usbosr subosr srbuso rsbuso sbruso bsruso rbsuso brsuso srubso rsubso surbso usrbso rusbso ursbso sburso bsurso subrso usbrso busrso ubsrso rbusso brusso rubsso urbsso bursso ubrsso srbsuo rsbsuo sbrsuo bsrsuo rbssuo brssuo srsbuo rssbuo ssrbuo ssrbuo rssbuo srsbuo sbsruo bssruo ssbruo ssbruo bssruo sbsruo rbssuo brssuo rsbsuo srbsuo bsrsuo sbrsuo srusbo rsusbo sursbo usrsbo russbo urssbo srsubo rssubo ssrubo ssrubo rssubo srsubo susrbo ussrbo ssurbo ssurbo ussrbo susrbo russbo urssbo rsusbo srusbo usrsbo sursbo sbusro bsusro subsro usbsro bussro ubssro sbsuro bssuro ssburo ssburo bssuro sbsuro susbro ussbro ssubro ssubro ussbro susbro bussro ubssro bsusro sbusro usbsro subsro rbusso brusso rubsso urbsso bursso ubrsso rbsuso brsuso rsbuso srbuso bsruso sbruso rusbso ursbso rsubso srubso usrbso surbso busrso ubsrso bsurso sburso usbrso subrso orbuss robuss obruss boruss rbouss brouss orubss roubss ourbss uorbss ruobss urobss oburss bourss oubrss uobrss buorss uborss rbuoss bruoss ruboss urboss buross ubross orbsus robsus obrsus borsus rbosus brosus orsbus rosbus osrbus sorbus rsobus srobus obsrus bosrus osbrus sobrus bsorus sborus rbsous brsous rsbous srbous bsrous sbrous orusbs rousbs oursbs uorsbs ruosbs urosbs orsubs rosubs osrubs sorubs rsoubs sroubs ousrbs uosrbs osurbs sourbs usorbs suorbs rusobs ursobs rsuobs sruobs usrobs surobs obusrs bousrs oubsrs uobsrs buosrs ubosrs obsurs bosurs osburs soburs bsours sbours ousbrs uosbrs osubrs soubrs usobrs suobrs busors ubsors bsuors sbuors usbors subors rbusos brusos rubsos urbsos bursos ubrsos rbsuos brsuos rsbuos srbuos bsruos sbruos rusbos ursbos rsubos srubos usrbos surbos busros ubsros bsuros sburos usbros subros
Note: these 'words' (valid or invalid) are all the permutations of the word sorbus. These words are obtained by scrambling the letters in sorbus.