cadeau acdeau cdaeau dcaeau adceau daceau caedau acedau ceadau ecadau aecdau eacdau cdeaau dceaau cedaau ecdaau decaau edcaau adecau daecau aedcau eadcau deacau edacau cadaeu acdaeu cdaaeu dcaaeu adcaeu dacaeu caadeu acadeu caadeu acadeu aacdeu aacdeu cdaaeu dcaaeu cadaeu acdaeu dacaeu adcaeu adaceu daaceu aadceu aadceu daaceu adaceu caeadu aceadu ceaadu ecaadu aecadu eacadu caaedu acaedu caaedu acaedu aacedu aacedu ceaadu ecaadu caeadu aceadu eacadu aecadu aeacdu eaacdu aaecdu aaecdu eaacdu aeacdu cdeaau dceaau cedaau ecdaau decaau edcaau cdaeau dcaeau cadeau acdeau daceau adceau ceadau ecadau caedau acedau eacdau aecdau deacau edacau daecau adecau eadcau aedcau adeacu daeacu aedacu eadacu deaacu edaacu adaecu daaecu aadecu aadecu daaecu adaecu aeadcu eaadcu aaedcu aaedcu eaadcu aeadcu deaacu edaacu daeacu adeacu eadacu aedacu cadeua acdeua cdaeua dcaeua adceua daceua caedua acedua ceadua ecadua aecdua eacdua cdeaua dceaua cedaua ecdaua decaua edcaua adecua daecua aedcua eadcua deacua edacua caduea acduea cdauea dcauea adcuea dacuea caudea acudea cuadea ucadea aucdea uacdea cduaea dcuaea cudaea ucdaea ducaea udcaea aducea daucea audcea uadcea duacea udacea caeuda aceuda ceauda ecauda aecuda eacuda caueda acueda cuaeda ucaeda auceda uaceda ceuada ecuada cueada uceada eucada uecada aeucda eaucda auecda uaecda euacda ueacda cdeuaa dceuaa ceduaa ecduaa decuaa edcuaa cdueaa dcueaa cudeaa ucdeaa duceaa udceaa ceudaa ecudaa cuedaa ucedaa eucdaa uecdaa deucaa educaa duecaa udecaa eudcaa uedcaa adeuca daeuca aeduca eaduca deauca edauca adueca daueca audeca uadeca duaeca udaeca aeudca eaudca auedca uaedca euadca ueadca deuaca eduaca dueaca udeaca eudaca uedaca cadaue acdaue cdaaue dcaaue adcaue dacaue caadue acadue caadue acadue aacdue aacdue cdaaue dcaaue cadaue acdaue dacaue adcaue adacue daacue aadcue aadcue daacue adacue caduae acduae cdauae dcauae adcuae dacuae caudae acudae cuadae ucadae aucdae uacdae cduaae dcuaae cudaae ucdaae ducaae udcaae aducae daucae audcae uadcae duacae udacae caaude acaude caaude acaude aacude aacude cauade acuade cuaade ucaade aucade uacade cauade acuade cuaade ucaade aucade uacade aaucde aaucde auacde uaacde auacde uaacde cdauae dcauae caduae acduae dacuae adcuae cduaae dcuaae cudaae ucdaae ducaae udcaae caudae acudae cuadae ucadae aucdae uacdae daucae aducae duacae udacae audcae uadcae adauce daauce aaduce aaduce daauce adauce aduace dauace audace uadace duaace udaace aaudce aaudce auadce uaadce auadce uaadce dauace aduace duaace udaace audace uadace caeaud aceaud ceaaud ecaaud aecaud eacaud caaeud acaeud caaeud acaeud aaceud aaceud ceaaud ecaaud caeaud aceaud eacaud aecaud aeacud eaacud aaecud aaecud eaacud aeacud caeuad aceuad ceauad ecauad aecuad eacuad cauead acuead cuaead ucaead aucead uacead ceuaad ecuaad cueaad uceaad eucaad uecaad aeucad eaucad auecad uaecad euacad ueacad caaued acaued caaued acaued aacued aacued cauaed acuaed cuaaed ucaaed aucaed uacaed cauaed acuaed cuaaed ucaaed aucaed uacaed aauced aauced auaced uaaced auaced uaaced ceauad ecauad caeuad aceuad eacuad aecuad ceuaad ecuaad cueaad uceaad eucaad uecaad cauead acuead cuaead ucaead aucead uacead eaucad aeucad euacad ueacad auecad uaecad aeaucd eaaucd aaeucd aaeucd eaaucd aeaucd aeuacd eauacd aueacd uaeacd euaacd ueaacd aauecd aauecd auaecd uaaecd auaecd uaaecd eauacd aeuacd euaacd ueaacd aueacd uaeacd cdeaua dceaua cedaua ecdaua decaua edcaua cdaeua dcaeua cadeua acdeua daceua adceua ceadua ecadua caedua acedua eacdua aecdua deacua edacua daecua adecua eadcua aedcua cdeuaa dceuaa ceduaa ecduaa decuaa edcuaa cdueaa dcueaa cudeaa ucdeaa duceaa udceaa ceudaa ecudaa cuedaa ucedaa eucdaa uecdaa deucaa educaa duecaa udecaa eudcaa uedcaa cdauea dcauea caduea acduea dacuea adcuea cduaea dcuaea cudaea ucdaea ducaea udcaea caudea acudea cuadea ucadea aucdea uacdea daucea aducea duacea udacea audcea uadcea ceauda ecauda caeuda aceuda eacuda aecuda ceuada ecuada cueada uceada eucada uecada caueda acueda cuaeda ucaeda auceda uaceda eaucda aeucda euacda ueacda auecda uaecda deauca edauca daeuca adeuca eaduca aeduca deuaca eduaca dueaca udeaca eudaca uedaca daueca adueca duaeca udaeca audeca uadeca eaudca aeudca euadca ueadca auedca uaedca adeauc daeauc aedauc eadauc deaauc edaauc adaeuc daaeuc aadeuc aadeuc daaeuc adaeuc aeaduc eaaduc aaeduc aaeduc eaaduc aeaduc deaauc edaauc daeauc adeauc eadauc aedauc adeuac daeuac aeduac eaduac deauac edauac adueac daueac audeac uadeac duaeac udaeac aeudac eaudac auedac uaedac euadac ueadac deuaac eduaac dueaac udeaac eudaac uedaac adauec daauec aaduec aaduec daauec adauec aduaec dauaec audaec uadaec duaaec udaaec aaudec aaudec auadec uaadec auadec uaadec dauaec aduaec duaaec udaaec audaec uadaec aeaudc eaaudc aaeudc aaeudc eaaudc aeaudc aeuadc eauadc aueadc uaeadc euaadc ueaadc aauedc aauedc auaedc uaaedc auaedc uaaedc eauadc aeuadc euaadc ueaadc aueadc uaeadc deauac edauac daeuac adeuac eaduac aeduac deuaac eduaac dueaac udeaac eudaac uedaac daueac adueac duaeac udaeac audeac uadeac eaudac aeudac euadac ueadac auedac uaedac
Note: these 'words' (valid or invalid) are all the permutations of the word cadeau. These words are obtained by scrambling the letters in cadeau.