ruched urched rcuhed cruhed ucrhed curhed ruhced urhced rhuced hruced uhrced hurced rchued crhued rhcued hrcued chrued hcrued uchred cuhred uhcred hucred chured hcured rucehd urcehd rcuehd cruehd ucrehd curehd ruechd urechd reuchd eruchd uerchd eurchd rceuhd creuhd recuhd ercuhd ceruhd ecruhd ucerhd cuerhd uecrhd eucrhd ceurhd ecurhd ruhecd urhecd rhuecd hruecd uhrecd hurecd ruehcd urehcd reuhcd eruhcd uerhcd eurhcd rheucd hreucd rehucd erhucd herucd ehrucd uhercd huercd uehrcd euhrcd heurcd ehurcd rcheud crheud rhceud hrceud chreud hcreud rcehud crehud rechud erchud cerhud ecrhud rhecud hrecud rehcud erhcud hercud ehrcud cherud hcerud cehrud echrud hecrud ehcrud ucherd cuherd uhcerd hucerd chuerd hcuerd ucehrd cuehrd uechrd euchrd ceuhrd ecuhrd uhecrd huecrd uehcrd euhcrd heucrd ehucrd cheurd hceurd cehurd echurd hecurd ehcurd ruchde urchde rcuhde cruhde ucrhde curhde ruhcde urhcde rhucde hrucde uhrcde hurcde rchude crhude rhcude hrcude chrude hcrude uchrde cuhrde uhcrde hucrde churde hcurde rucdhe urcdhe rcudhe crudhe ucrdhe curdhe rudche urdche rduche druche udrche durche rcduhe crduhe rdcuhe drcuhe cdruhe dcruhe ucdrhe cudrhe udcrhe ducrhe cdurhe dcurhe ruhdce urhdce rhudce hrudce uhrdce hurdce rudhce urdhce rduhce druhce udrhce durhce rhduce hrduce rdhuce drhuce hdruce dhruce uhdrce hudrce udhrce duhrce hdurce dhurce rchdue crhdue rhcdue hrcdue chrdue hcrdue rcdhue crdhue rdchue drchue cdrhue dcrhue rhdcue hrdcue rdhcue drhcue hdrcue dhrcue chdrue hcdrue cdhrue dchrue hdcrue dhcrue uchdre cuhdre uhcdre hucdre chudre hcudre ucdhre cudhre udchre duchre cduhre dcuhre uhdcre hudcre udhcre duhcre hducre dhucre chdure hcdure cdhure dchure hdcure dhcure rucedh urcedh rcuedh cruedh ucredh curedh ruecdh urecdh reucdh erucdh uercdh eurcdh rceudh creudh recudh ercudh cerudh ecrudh ucerdh cuerdh uecrdh eucrdh ceurdh ecurdh rucdeh urcdeh rcudeh crudeh ucrdeh curdeh rudceh urdceh rduceh druceh udrceh durceh rcdueh crdueh rdcueh drcueh cdrueh dcrueh ucdreh cudreh udcreh ducreh cdureh dcureh ruedch uredch reudch erudch uerdch eurdch rudech urdech rduech druech udrech durech reduch erduch rdeuch dreuch edruch deruch uedrch eudrch uderch duerch edurch deurch rceduh creduh recduh ercduh cerduh ecrduh rcdeuh crdeuh rdceuh drceuh cdreuh dcreuh redcuh erdcuh rdecuh drecuh edrcuh dercuh cedruh ecdruh cderuh dceruh edcruh decruh ucedrh cuedrh uecdrh eucdrh ceudrh ecudrh ucderh cuderh udcerh ducerh cduerh dcuerh uedcrh eudcrh udecrh duecrh educrh deucrh cedurh ecdurh cdeurh dceurh edcurh decurh ruhedc urhedc rhuedc hruedc uhredc huredc ruehdc urehdc reuhdc eruhdc uerhdc eurhdc rheudc hreudc rehudc erhudc herudc ehrudc uherdc huerdc uehrdc euhrdc heurdc ehurdc ruhdec urhdec rhudec hrudec uhrdec hurdec rudhec urdhec rduhec druhec udrhec durhec rhduec hrduec rdhuec drhuec hdruec dhruec uhdrec hudrec udhrec duhrec hdurec dhurec ruedhc uredhc reudhc erudhc uerdhc eurdhc rudehc urdehc rduehc druehc udrehc durehc reduhc erduhc rdeuhc dreuhc edruhc deruhc uedrhc eudrhc uderhc duerhc edurhc deurhc rheduc hreduc rehduc erhduc herduc ehrduc rhdeuc hrdeuc rdheuc drheuc hdreuc dhreuc redhuc erdhuc rdehuc drehuc edrhuc derhuc hedruc ehdruc hderuc dheruc edhruc dehruc uhedrc huedrc uehdrc euhdrc heudrc ehudrc uhderc huderc udherc duherc hduerc dhuerc uedhrc eudhrc udehrc duehrc eduhrc deuhrc hedurc ehdurc hdeurc dheurc edhurc dehurc rchedu crhedu rhcedu hrcedu chredu hcredu rcehdu crehdu rechdu erchdu cerhdu ecrhdu rhecdu hrecdu rehcdu erhcdu hercdu ehrcdu cherdu hcerdu cehrdu echrdu hecrdu ehcrdu rchdeu crhdeu rhcdeu hrcdeu chrdeu hcrdeu rcdheu crdheu rdcheu drcheu cdrheu dcrheu rhdceu hrdceu rdhceu drhceu hdrceu dhrceu chdreu hcdreu cdhreu dchreu hdcreu dhcreu rcedhu credhu recdhu ercdhu cerdhu ecrdhu rcdehu crdehu rdcehu drcehu cdrehu dcrehu redchu erdchu rdechu drechu edrchu derchu cedrhu ecdrhu cderhu dcerhu edcrhu decrhu rhedcu hredcu rehdcu erhdcu herdcu ehrdcu rhdecu hrdecu rdhecu drhecu hdrecu dhrecu redhcu erdhcu rdehcu drehcu edrhcu derhcu hedrcu ehdrcu hdercu dhercu edhrcu dehrcu chedru hcedru cehdru echdru hecdru ehcdru chderu hcderu cdheru dcheru hdceru dhceru cedhru ecdhru cdehru dcehru edchru dechru hedcru ehdcru hdecru dhecru edhcru dehcru uchedr cuhedr uhcedr hucedr chuedr hcuedr ucehdr cuehdr uechdr euchdr ceuhdr ecuhdr uhecdr huecdr uehcdr euhcdr heucdr ehucdr cheudr hceudr cehudr echudr hecudr ehcudr uchder cuhder uhcder hucder chuder hcuder ucdher cudher udcher ducher cduher dcuher uhdcer hudcer udhcer duhcer hducer dhucer chduer hcduer cdhuer dchuer hdcuer dhcuer ucedhr cuedhr uecdhr eucdhr ceudhr ecudhr ucdehr cudehr udcehr ducehr cduehr dcuehr uedchr eudchr udechr duechr educhr deuchr ceduhr ecduhr cdeuhr dceuhr edcuhr decuhr uhedcr huedcr uehdcr euhdcr heudcr ehudcr uhdecr hudecr udhecr duhecr hduecr dhuecr uedhcr eudhcr udehcr duehcr eduhcr deuhcr heducr ehducr hdeucr dheucr edhucr dehucr chedur hcedur cehdur echdur hecdur ehcdur chdeur hcdeur cdheur dcheur hdceur dhceur cedhur ecdhur cdehur dcehur edchur dechur hedcur ehdcur hdecur dhecur edhcur dehcur
Note: these 'words' (valid or invalid) are all the permutations of the word ruched. These words are obtained by scrambling the letters in ruched.