backde abckde bcakde cbakde acbkde cabkde bakcde abkcde bkacde kbacde akbcde kabcde bckade cbkade bkcade kbcade ckbade kcbade ackbde cakbde akcbde kacbde ckabde kcabde bacdke abcdke bcadke cbadke acbdke cabdke badcke abdcke bdacke dbacke adbcke dabcke bcdake cbdake bdcake dbcake cdbake dcbake acdbke cadbke adcbke dacbke cdabke dcabke bakdce abkdce bkadce kbadce akbdce kabdce badkce abdkce bdakce dbakce adbkce dabkce bkdace kbdace bdkace dbkace kdbace dkbace akdbce kadbce adkbce dakbce kdabce dkabce bckdae cbkdae bkcdae kbcdae ckbdae kcbdae bcdkae cbdkae bdckae dbckae cdbkae dcbkae bkdcae kbdcae bdkcae dbkcae kdbcae dkbcae ckdbae kcdbae cdkbae dckbae kdcbae dkcbae ackdbe cakdbe akcdbe kacdbe ckadbe kcadbe acdkbe cadkbe adckbe dackbe cdakbe dcakbe akdcbe kadcbe adkcbe dakcbe kdacbe dkacbe ckdabe kcdabe cdkabe dckabe kdcabe dkcabe backed abcked bcaked cbaked acbked cabked bakced abkced bkaced kbaced akbced kabced bckaed cbkaed bkcaed kbcaed ckbaed kcbaed ackbed cakbed akcbed kacbed ckabed kcabed bacekd abcekd bcaekd cbaekd acbekd cabekd baeckd abeckd beackd ebackd aebckd eabckd bceakd cbeakd becakd ebcakd cebakd ecbakd acebkd caebkd aecbkd eacbkd ceabkd ecabkd bakecd abkecd bkaecd kbaecd akbecd kabecd baekcd abekcd beakcd ebakcd aebkcd eabkcd bkeacd kbeacd bekacd ebkacd kebacd ekbacd akebcd kaebcd aekbcd eakbcd keabcd ekabcd bckead cbkead bkcead kbcead ckbead kcbead bcekad cbekad beckad ebckad cebkad ecbkad bkecad kbecad bekcad ebkcad kebcad ekbcad ckebad kcebad cekbad eckbad kecbad ekcbad ackebd cakebd akcebd kacebd ckaebd kcaebd acekbd caekbd aeckbd eackbd ceakbd ecakbd akecbd kaecbd aekcbd eakcbd keacbd ekacbd ckeabd kceabd cekabd eckabd kecabd ekcabd bacdek abcdek bcadek cbadek acbdek cabdek badcek abdcek bdacek dbacek adbcek dabcek bcdaek cbdaek bdcaek dbcaek cdbaek dcbaek acdbek cadbek adcbek dacbek cdabek dcabek bacedk abcedk bcaedk cbaedk acbedk cabedk baecdk abecdk beacdk ebacdk aebcdk eabcdk bceadk cbeadk becadk ebcadk cebadk ecbadk acebdk caebdk aecbdk eacbdk ceabdk ecabdk badeck abdeck bdaeck dbaeck adbeck dabeck baedck abedck beadck ebadck aebdck eabdck bdeack dbeack bedack ebdack deback edback adebck daebck aedbck eadbck deabck edabck bcdeak cbdeak bdceak dbceak cdbeak dcbeak bcedak cbedak becdak ebcdak cebdak ecbdak bdecak dbecak bedcak ebdcak debcak edbcak cdebak dcebak cedbak ecdbak decbak edcbak acdebk cadebk adcebk dacebk cdaebk dcaebk acedbk caedbk aecdbk eacdbk ceadbk ecadbk adecbk daecbk aedcbk eadcbk deacbk edacbk cdeabk dceabk cedabk ecdabk decabk edcabk bakdec abkdec bkadec kbadec akbdec kabdec badkec abdkec bdakec dbakec adbkec dabkec bkdaec kbdaec bdkaec dbkaec kdbaec dkbaec akdbec kadbec adkbec dakbec kdabec dkabec bakedc abkedc bkaedc kbaedc akbedc kabedc baekdc abekdc beakdc ebakdc aebkdc eabkdc bkeadc kbeadc bekadc ebkadc kebadc ekbadc akebdc kaebdc aekbdc eakbdc keabdc ekabdc badekc abdekc bdaekc dbaekc adbekc dabekc baedkc abedkc beadkc ebadkc aebdkc eabdkc bdeakc dbeakc bedakc ebdakc debakc edbakc adebkc daebkc aedbkc eadbkc deabkc edabkc bkdeac kbdeac bdkeac dbkeac kdbeac dkbeac bkedac kbedac bekdac ebkdac kebdac ekbdac bdekac dbekac bedkac ebdkac debkac edbkac kdebac dkebac kedbac ekdbac dekbac edkbac akdebc kadebc adkebc dakebc kdaebc dkaebc akedbc kaedbc aekdbc eakdbc keadbc ekadbc adekbc daekbc aedkbc eadkbc deakbc edakbc kdeabc dkeabc kedabc ekdabc dekabc edkabc bckdea cbkdea bkcdea kbcdea ckbdea kcbdea bcdkea cbdkea bdckea dbckea cdbkea dcbkea bkdcea kbdcea bdkcea dbkcea kdbcea dkbcea ckdbea kcdbea cdkbea dckbea kdcbea dkcbea bckeda cbkeda bkceda kbceda ckbeda kcbeda bcekda cbekda beckda ebckda cebkda ecbkda bkecda kbecda bekcda ebkcda kebcda ekbcda ckebda kcebda cekbda eckbda kecbda ekcbda bcdeka cbdeka bdceka dbceka cdbeka dcbeka bcedka cbedka becdka ebcdka cebdka ecbdka bdecka dbecka bedcka ebdcka debcka edbcka cdebka dcebka cedbka ecdbka decbka edcbka bkdeca kbdeca bdkeca dbkeca kdbeca dkbeca bkedca kbedca bekdca ebkdca kebdca ekbdca bdekca dbekca bedkca ebdkca debkca edbkca kdebca dkebca kedbca ekdbca dekbca edkbca ckdeba kcdeba cdkeba dckeba kdceba dkceba ckedba kcedba cekdba eckdba kecdba ekcdba cdekba dcekba cedkba ecdkba deckba edckba kdecba dkecba kedcba ekdcba dekcba edkcba ackdeb cakdeb akcdeb kacdeb ckadeb kcadeb acdkeb cadkeb adckeb dackeb cdakeb dcakeb akdceb kadceb adkceb dakceb kdaceb dkaceb ckdaeb kcdaeb cdkaeb dckaeb kdcaeb dkcaeb ackedb cakedb akcedb kacedb ckaedb kcaedb acekdb caekdb aeckdb eackdb ceakdb ecakdb akecdb kaecdb aekcdb eakcdb keacdb ekacdb ckeadb kceadb cekadb eckadb kecadb ekcadb acdekb cadekb adcekb dacekb cdaekb dcaekb acedkb caedkb aecdkb eacdkb ceadkb ecadkb adeckb daeckb aedckb eadckb deackb edackb cdeakb dceakb cedakb ecdakb decakb edcakb akdecb kadecb adkecb dakecb kdaecb dkaecb akedcb kaedcb aekdcb eakdcb keadcb ekadcb adekcb daekcb aedkcb eadkcb deakcb edakcb kdeacb dkeacb kedacb ekdacb dekacb edkacb ckdeab kcdeab cdkeab dckeab kdceab dkceab ckedab kcedab cekdab eckdab kecdab ekcdab cdekab dcekab cedkab ecdkab deckab edckab kdecab dkecab kedcab ekdcab dekcab edkcab
Note: these 'words' (valid or invalid) are all the permutations of the word backde. These words are obtained by scrambling the letters in backde.