cohead ochead choead hcoead ohcead hocead coehad ocehad ceohad ecohad oechad eochad cheoad hceoad cehoad echoad hecoad ehcoad ohecad hoecad oehcad eohcad heocad ehocad cohaed ochaed choaed hcoaed ohcaed hocaed coahed ocahed caohed acohed oached aoched chaoed hcaoed cahoed achoed hacoed ahcoed ohaced hoaced oahced aohced haoced ahoced coeahd oceahd ceoahd ecoahd oecahd eocahd coaehd ocaehd caoehd acoehd oacehd aocehd ceaohd ecaohd caeohd aceohd eacohd aecohd oeachd eoachd oaechd aoechd eaochd aeochd cheaod hceaod cehaod echaod hecaod ehcaod chaeod hcaeod caheod acheod haceod ahceod ceahod ecahod caehod acehod eachod aechod heacod ehacod haecod ahecod eahcod aehcod oheacd hoeacd oehacd eohacd heoacd ehoacd ohaecd hoaecd oahecd aohecd haoecd ahoecd oeahcd eoahcd oaehcd aoehcd eaohcd aeohcd heaocd ehaocd haeocd aheocd eahocd aehocd coheda ocheda choeda hcoeda ohceda hoceda coehda ocehda ceohda ecohda oechda eochda cheoda hceoda cehoda echoda hecoda ehcoda ohecda hoecda oehcda eohcda heocda ehocda cohdea ochdea chodea hcodea ohcdea hocdea codhea ocdhea cdohea dcohea odchea dochea chdoea hcdoea cdhoea dchoea hdcoea dhcoea ohdcea hodcea odhcea dohcea hdocea dhocea coedha ocedha ceodha ecodha oecdha eocdha codeha ocdeha cdoeha dcoeha odceha doceha cedoha ecdoha cdeoha dceoha edcoha decoha oedcha eodcha odecha doecha edocha deocha chedoa hcedoa cehdoa echdoa hecdoa ehcdoa chdeoa hcdeoa cdheoa dcheoa hdceoa dhceoa cedhoa ecdhoa cdehoa dcehoa edchoa dechoa hedcoa ehdcoa hdecoa dhecoa edhcoa dehcoa ohedca hoedca oehdca eohdca heodca ehodca ohdeca hodeca odheca doheca hdoeca dhoeca oedhca eodhca odehca doehca edohca deohca hedoca ehdoca hdeoca dheoca edhoca dehoca cohade ochade choade hcoade ohcade hocade coahde ocahde caohde acohde oachde aochde chaode hcaode cahode achode hacode ahcode ohacde hoacde oahcde aohcde haocde ahocde cohdae ochdae chodae hcodae ohcdae hocdae codhae ocdhae cdohae dcohae odchae dochae chdoae hcdoae cdhoae dchoae hdcoae dhcoae ohdcae hodcae odhcae dohcae hdocae dhocae coadhe ocadhe caodhe acodhe oacdhe aocdhe codahe ocdahe cdoahe dcoahe odcahe docahe cadohe acdohe cdaohe dcaohe adcohe dacohe oadche aodche odache doache adoche daoche chadoe hcadoe cahdoe achdoe hacdoe ahcdoe chdaoe hcdaoe cdhaoe dchaoe hdcaoe dhcaoe cadhoe acdhoe cdahoe dcahoe adchoe dachoe hadcoe ahdcoe hdacoe dhacoe adhcoe dahcoe ohadce hoadce oahdce aohdce haodce ahodce ohdace hodace odhace dohace hdoace dhoace oadhce aodhce odahce doahce adohce daohce hadoce ahdoce hdaoce dhaoce adhoce dahoce coeadh oceadh ceoadh ecoadh oecadh eocadh coaedh ocaedh caoedh acoedh oacedh aocedh ceaodh ecaodh caeodh aceodh eacodh aecodh oeacdh eoacdh oaecdh aoecdh eaocdh aeocdh coedah ocedah ceodah ecodah oecdah eocdah codeah ocdeah cdoeah dcoeah odceah doceah cedoah ecdoah cdeoah dceoah edcoah decoah oedcah eodcah odecah doecah edocah deocah coadeh ocadeh caodeh acodeh oacdeh aocdeh codaeh ocdaeh cdoaeh dcoaeh odcaeh docaeh cadoeh acdoeh cdaoeh dcaoeh adcoeh dacoeh oadceh aodceh odaceh doaceh adoceh daoceh ceadoh ecadoh caedoh acedoh eacdoh aecdoh cedaoh ecdaoh cdeaoh dceaoh edcaoh decaoh cadeoh acdeoh cdaeoh dcaeoh adceoh daceoh eadcoh aedcoh edacoh deacoh adecoh daecoh oeadch eoadch oaedch aoedch eaodch aeodch oedach eodach odeach doeach edoach deoach oadech aodech odaech doaech adoech daoech eadoch aedoch edaoch deaoch adeoch daeoch cheado hceado cehado echado hecado ehcado chaedo hcaedo cahedo achedo hacedo ahcedo ceahdo ecahdo caehdo acehdo eachdo aechdo heacdo ehacdo haecdo ahecdo eahcdo aehcdo chedao hcedao cehdao echdao hecdao ehcdao chdeao hcdeao cdheao dcheao hdceao dhceao cedhao ecdhao cdehao dcehao edchao dechao hedcao ehdcao hdecao dhecao edhcao dehcao chadeo hcadeo cahdeo achdeo hacdeo ahcdeo chdaeo hcdaeo cdhaeo dchaeo hdcaeo dhcaeo cadheo acdheo cdaheo dcaheo adcheo dacheo hadceo ahdceo hdaceo dhaceo adhceo dahceo ceadho ecadho caedho acedho eacdho aecdho cedaho ecdaho cdeaho dceaho edcaho decaho cadeho acdeho cdaeho dcaeho adceho daceho eadcho aedcho edacho deacho adecho daecho headco ehadco haedco ahedco eahdco aehdco hedaco ehdaco hdeaco dheaco edhaco dehaco hadeco ahdeco hdaeco dhaeco adheco daheco eadhco aedhco edahco deahco adehco daehco oheadc hoeadc oehadc eohadc heoadc ehoadc ohaedc hoaedc oahedc aohedc haoedc ahoedc oeahdc eoahdc oaehdc aoehdc eaohdc aeohdc heaodc ehaodc haeodc aheodc eahodc aehodc ohedac hoedac oehdac eohdac heodac ehodac ohdeac hodeac odheac doheac hdoeac dhoeac oedhac eodhac odehac doehac edohac deohac hedoac ehdoac hdeoac dheoac edhoac dehoac ohadec hoadec oahdec aohdec haodec ahodec ohdaec hodaec odhaec dohaec hdoaec dhoaec oadhec aodhec odahec doahec adohec daohec hadoec ahdoec hdaoec dhaoec adhoec dahoec oeadhc eoadhc oaedhc aoedhc eaodhc aeodhc oedahc eodahc odeahc doeahc edoahc deoahc oadehc aodehc odaehc doaehc adoehc daoehc eadohc aedohc edaohc deaohc adeohc daeohc headoc ehadoc haedoc ahedoc eahdoc aehdoc hedaoc ehdaoc hdeaoc dheaoc edhaoc dehaoc hadeoc ahdeoc hdaeoc dhaeoc adheoc daheoc eadhoc aedhoc edahoc deahoc adehoc daehoc
Note: these 'words' (valid or invalid) are all the permutations of the word cohead. These words are obtained by scrambling the letters in cohead.