courbs ocurbs cuorbs ucorbs oucrbs uocrbs corubs ocrubs croubs rcoubs orcubs rocubs curobs ucrobs cruobs rcuobs urcobs rucobs ourcbs uorcbs orucbs roucbs urocbs ruocbs coubrs ocubrs cuobrs ucobrs oucbrs uocbrs coburs ocburs cbours bcours obcurs bocurs cubors ucbors cbuors bcuors ubcors bucors oubcrs uobcrs obucrs boucrs ubocrs buocrs corbus ocrbus crobus rcobus orcbus rocbus cobrus ocbrus cborus bcorus obcrus bocrus crbous rcbous cbrous bcrous rbcous brcous orbcus robcus obrcus borcus rbocus brocus curbos ucrbos crubos rcubos urcbos rucbos cubros ucbros cburos bcuros ubcros bucros crbuos rcbuos cbruos bcruos rbcuos brcuos urbcos rubcos ubrcos burcos rbucos brucos ourbcs uorbcs orubcs roubcs urobcs ruobcs oubrcs uobrcs oburcs bourcs uborcs buorcs orbucs robucs obrucs borucs rboucs broucs urbocs rubocs ubrocs burocs rbuocs bruocs coursb ocursb cuorsb ucorsb oucrsb uocrsb corusb ocrusb crousb rcousb orcusb rocusb curosb ucrosb cruosb rcuosb urcosb rucosb ourcsb uorcsb orucsb roucsb urocsb ruocsb cousrb ocusrb cuosrb ucosrb oucsrb uocsrb cosurb ocsurb csourb scourb oscurb socurb cusorb ucsorb csuorb scuorb uscorb sucorb ouscrb uoscrb osucrb soucrb usocrb suocrb corsub ocrsub crosub rcosub orcsub rocsub cosrub ocsrub csorub scorub oscrub socrub crsoub rcsoub csroub scroub rscoub srcoub orscub roscub osrcub sorcub rsocub srocub cursob ucrsob crusob rcusob urcsob rucsob cusrob ucsrob csurob scurob uscrob sucrob crsuob rcsuob csruob scruob rscuob srcuob urscob ruscob usrcob surcob rsucob srucob ourscb uorscb oruscb rouscb uroscb ruoscb ousrcb uosrcb osurcb sourcb usorcb suorcb orsucb rosucb osrucb sorucb rsoucb sroucb ursocb rusocb usrocb surocb rsuocb sruocb coubsr ocubsr cuobsr ucobsr oucbsr uocbsr cobusr ocbusr cbousr bcousr obcusr bocusr cubosr ucbosr cbuosr bcuosr ubcosr bucosr oubcsr uobcsr obucsr boucsr ubocsr buocsr cousbr ocusbr cuosbr ucosbr oucsbr uocsbr cosubr ocsubr csoubr scoubr oscubr socubr cusobr ucsobr csuobr scuobr uscobr sucobr ouscbr uoscbr osucbr soucbr usocbr suocbr cobsur ocbsur cbosur bcosur obcsur bocsur cosbur ocsbur csobur scobur oscbur socbur cbsour bcsour csbour scbour bscour sbcour obscur boscur osbcur sobcur bsocur sbocur cubsor ucbsor cbusor bcusor ubcsor bucsor cusbor ucsbor csubor scubor uscbor sucbor cbsuor bcsuor csbuor scbuor bscuor sbcuor ubscor buscor usbcor subcor bsucor sbucor oubscr uobscr obuscr bouscr uboscr buoscr ousbcr uosbcr osubcr soubcr usobcr suobcr obsucr bosucr osbucr sobucr bsoucr sboucr ubsocr busocr usbocr subocr bsuocr sbuocr corbsu ocrbsu crobsu rcobsu orcbsu rocbsu cobrsu ocbrsu cborsu bcorsu obcrsu bocrsu crbosu rcbosu cbrosu bcrosu rbcosu brcosu orbcsu robcsu obrcsu borcsu rbocsu brocsu corsbu ocrsbu crosbu rcosbu orcsbu rocsbu cosrbu ocsrbu csorbu scorbu oscrbu socrbu crsobu rcsobu csrobu scrobu rscobu srcobu orscbu roscbu osrcbu sorcbu rsocbu srocbu cobsru ocbsru cbosru bcosru obcsru bocsru cosbru ocsbru csobru scobru oscbru socbru cbsoru bcsoru csboru scboru bscoru sbcoru obscru boscru osbcru sobcru bsocru sbocru crbsou rcbsou cbrsou bcrsou rbcsou brcsou crsbou rcsbou csrbou scrbou rscbou srcbou cbsrou bcsrou csbrou scbrou bscrou sbcrou rbscou brscou rsbcou srbcou bsrcou sbrcou orbscu robscu obrscu borscu rboscu broscu orsbcu rosbcu osrbcu sorbcu rsobcu srobcu obsrcu bosrcu osbrcu sobrcu bsorcu sborcu rbsocu brsocu rsbocu srbocu bsrocu sbrocu curbso ucrbso crubso rcubso urcbso rucbso cubrso ucbrso cburso bcurso ubcrso bucrso crbuso rcbuso cbruso bcruso rbcuso brcuso urbcso rubcso ubrcso burcso rbucso brucso cursbo ucrsbo crusbo rcusbo urcsbo rucsbo cusrbo ucsrbo csurbo scurbo uscrbo sucrbo crsubo rcsubo csrubo scrubo rscubo srcubo urscbo ruscbo usrcbo surcbo rsucbo srucbo cubsro ucbsro cbusro bcusro ubcsro bucsro cusbro ucsbro csubro scubro uscbro sucbro cbsuro bcsuro csburo scburo bscuro sbcuro ubscro buscro usbcro subcro bsucro sbucro crbsuo rcbsuo cbrsuo bcrsuo rbcsuo brcsuo crsbuo rcsbuo csrbuo scrbuo rscbuo srcbuo cbsruo bcsruo csbruo scbruo bscruo sbcruo rbscuo brscuo rsbcuo srbcuo bsrcuo sbrcuo urbsco rubsco ubrsco bursco rbusco brusco ursbco rusbco usrbco surbco rsubco srubco ubsrco busrco usbrco subrco bsurco sburco rbsuco brsuco rsbuco srbuco bsruco sbruco ourbsc uorbsc orubsc roubsc urobsc ruobsc oubrsc uobrsc obursc boursc uborsc buorsc orbusc robusc obrusc borusc rbousc brousc urbosc rubosc ubrosc burosc rbuosc bruosc oursbc uorsbc orusbc rousbc urosbc ruosbc ousrbc uosrbc osurbc sourbc usorbc suorbc orsubc rosubc osrubc sorubc rsoubc sroubc ursobc rusobc usrobc surobc rsuobc sruobc oubsrc uobsrc obusrc bousrc ubosrc buosrc ousbrc uosbrc osubrc soubrc usobrc suobrc obsurc bosurc osburc soburc bsourc sbourc ubsorc busorc usborc suborc bsuorc sbuorc orbsuc robsuc obrsuc borsuc rbosuc brosuc orsbuc rosbuc osrbuc sorbuc rsobuc srobuc obsruc bosruc osbruc sobruc bsoruc sboruc rbsouc brsouc rsbouc srbouc bsrouc sbrouc urbsoc rubsoc ubrsoc bursoc rbusoc brusoc ursboc rusboc usrboc surboc rsuboc sruboc ubsroc busroc usbroc subroc bsuroc sburoc rbsuoc brsuoc rsbuoc srbuoc bsruoc sbruoc
Note: these 'words' (valid or invalid) are all the permutations of the word courbs. These words are obtained by scrambling the letters in courbs.