deaca edaca daeca adeca eadca aedca decaa edcaa dceaa cdeaa ecdaa cedaa dacea adcea dcaea cdaea acdea cadea eacda aecda ecada ceada aceda caeda deaac edaac daeac adeac eadac aedac deaac edaac daeac adeac eadac aedac daaec adaec daaec adaec aadec aadec eaadc aeadc eaadc aeadc aaedc aaedc decaa edcaa dceaa cdeaa ecdaa cedaa deaca edaca daeca adeca eadca aedca dcaea cdaea dacea adcea cadea acdea ecada ceada eacda aecda caeda aceda dacae adcae dcaae cdaae acdae cadae daace adace daace adace aadce aadce dcaae cdaae dacae adcae cadae acdae acade caade aacde aacde caade acade eacad aecad ecaad ceaad acead caead eaacd aeacd eaacd aeacd aaecd aaecd ecaad ceaad eacad aecad caead acead acaed caaed aaced aaced caaed acaed
Note: these 'words' (valid or invalid) are all the permutations of the word deaca. These words are obtained by scrambling the letters in deaca.