trocks rtocks torcks otrcks rotcks ortcks trcoks rtcoks tcroks ctroks rctoks crtoks tocrks otcrks tcorks ctorks octrks cotrks roctks orctks rcotks crotks ocrtks cortks trokcs rtokcs torkcs otrkcs rotkcs ortkcs trkocs rtkocs tkrocs ktrocs rktocs krtocs tokrcs otkrcs tkorcs ktorcs oktrcs kotrcs roktcs orktcs rkotcs krotcs okrtcs kortcs trckos rtckos tcrkos ctrkos rctkos crtkos trkcos rtkcos tkrcos ktrcos rktcos krtcos tckros ctkros tkcros ktcros cktros kctros rcktos crktos rkctos krctos ckrtos kcrtos tockrs otckrs tcokrs ctokrs octkrs cotkrs tokcrs otkcrs tkocrs ktocrs oktcrs kotcrs tckors ctkors tkcors ktcors cktors kctors ocktrs coktrs okctrs koctrs ckotrs kcotrs rockts orckts rcokts crokts ocrkts corkts rokcts orkcts rkocts krocts okrcts korcts rckots crkots rkcots krcots ckrots kcrots ockrts cokrts okcrts kocrts ckorts kcorts trocsk rtocsk torcsk otrcsk rotcsk ortcsk trcosk rtcosk tcrosk ctrosk rctosk crtosk tocrsk otcrsk tcorsk ctorsk octrsk cotrsk roctsk orctsk rcotsk crotsk ocrtsk cortsk trosck rtosck torsck otrsck rotsck ortsck trsock rtsock tsrock strock rstock srtock tosrck otsrck tsorck storck ostrck sotrck rostck orstck rsotck srotck osrtck sortck trcsok rtcsok tcrsok ctrsok rctsok crtsok trscok rtscok tsrcok strcok rstcok srtcok tcsrok ctsrok tscrok stcrok cstrok sctrok rcstok crstok rsctok srctok csrtok scrtok tocsrk otcsrk tcosrk ctosrk octsrk cotsrk toscrk otscrk tsocrk stocrk ostcrk sotcrk tcsork ctsork tscork stcork cstork sctork ocstrk costrk osctrk soctrk csotrk scotrk rocstk orcstk rcostk crostk ocrstk corstk rosctk orsctk rsoctk sroctk osrctk sorctk rcsotk crsotk rscotk srcotk csrotk scrotk ocsrtk cosrtk oscrtk socrtk csortk scortk troksc rtoksc torksc otrksc rotksc ortksc trkosc rtkosc tkrosc ktrosc rktosc krtosc tokrsc otkrsc tkorsc ktorsc oktrsc kotrsc roktsc orktsc rkotsc krotsc okrtsc kortsc troskc rtoskc torskc otrskc rotskc ortskc trsokc rtsokc tsrokc strokc rstokc srtokc tosrkc otsrkc tsorkc storkc ostrkc sotrkc rostkc orstkc rsotkc srotkc osrtkc sortkc trksoc rtksoc tkrsoc ktrsoc rktsoc krtsoc trskoc rtskoc tsrkoc strkoc rstkoc srtkoc tksroc ktsroc tskroc stkroc kstroc sktroc rkstoc krstoc rsktoc srktoc ksrtoc skrtoc toksrc otksrc tkosrc ktosrc oktsrc kotsrc toskrc otskrc tsokrc stokrc ostkrc sotkrc tksorc ktsorc tskorc stkorc kstorc sktorc okstrc kostrc osktrc soktrc ksotrc skotrc rokstc orkstc rkostc krostc okrstc korstc rosktc orsktc rsoktc sroktc osrktc sorktc rksotc krsotc rskotc srkotc ksrotc skrotc oksrtc kosrtc oskrtc sokrtc ksortc skortc trckso rtckso tcrkso ctrkso rctkso crtkso trkcso rtkcso tkrcso ktrcso rktcso krtcso tckrso ctkrso tkcrso ktcrso cktrso kctrso rcktso crktso rkctso krctso ckrtso kcrtso trcsko rtcsko tcrsko ctrsko rctsko crtsko trscko rtscko tsrcko strcko rstcko srtcko tcsrko ctsrko tscrko stcrko cstrko sctrko rcstko crstko rsctko srctko csrtko scrtko trksco rtksco tkrsco ktrsco rktsco krtsco trskco rtskco tsrkco strkco rstkco srtkco tksrco ktsrco tskrco stkrco kstrco sktrco rkstco krstco rsktco srktco ksrtco skrtco tcksro ctksro tkcsro ktcsro cktsro kctsro tcskro ctskro tsckro stckro cstkro sctkro tkscro ktscro tskcro stkcro kstcro sktcro ckstro kcstro csktro scktro ksctro skctro rcksto crksto rkcsto krcsto ckrsto kcrsto rcskto crskto rsckto srckto csrkto scrkto rkscto krscto rskcto srkcto ksrcto skrcto cksrto kcsrto cskrto sckrto kscrto skcrto tocksr otcksr tcoksr ctoksr octksr cotksr tokcsr otkcsr tkocsr ktocsr oktcsr kotcsr tckosr ctkosr tkcosr ktcosr cktosr kctosr ocktsr coktsr okctsr koctsr ckotsr kcotsr tocskr otcskr tcoskr ctoskr octskr cotskr tosckr otsckr tsockr stockr ostckr sotckr tcsokr ctsokr tscokr stcokr cstokr sctokr ocstkr costkr osctkr soctkr csotkr scotkr tokscr otkscr tkoscr ktoscr oktscr kotscr toskcr otskcr tsokcr stokcr ostkcr sotkcr tksocr ktsocr tskocr stkocr kstocr sktocr okstcr kostcr osktcr soktcr ksotcr skotcr tcksor ctksor tkcsor ktcsor cktsor kctsor tcskor ctskor tsckor stckor cstkor sctkor tkscor ktscor tskcor stkcor kstcor sktcor ckstor kcstor csktor scktor ksctor skctor ockstr cokstr okcstr kocstr ckostr kcostr ocsktr cosktr oscktr socktr csoktr scoktr oksctr kosctr oskctr sokctr ksoctr skoctr cksotr kcsotr cskotr sckotr kscotr skcotr rockst orckst rcokst crokst ocrkst corkst rokcst orkcst rkocst krocst okrcst korcst rckost crkost rkcost krcost ckrost kcrost ockrst cokrst okcrst kocrst ckorst kcorst rocskt orcskt rcoskt croskt ocrskt corskt rosckt orsckt rsockt srockt osrckt sorckt rcsokt crsokt rscokt srcokt csrokt scrokt ocsrkt cosrkt oscrkt socrkt csorkt scorkt roksct orksct rkosct krosct okrsct korsct roskct orskct rsokct srokct osrkct sorkct rksoct krsoct rskoct srkoct ksroct skroct oksrct kosrct oskrct sokrct ksorct skorct rcksot crksot rkcsot krcsot ckrsot kcrsot rcskot crskot rsckot srckot csrkot scrkot rkscot krscot rskcot srkcot ksrcot skrcot cksrot kcsrot cskrot sckrot kscrot skcrot ocksrt coksrt okcsrt kocsrt ckosrt kcosrt ocskrt coskrt osckrt sockrt csokrt scokrt okscrt koscrt oskcrt sokcrt ksocrt skocrt cksort kcsort cskort sckort kscort skcort
Note: these 'words' (valid or invalid) are all the permutations of the word trocks. These words are obtained by scrambling the letters in trocks.