dacca adcca dcaca cdaca acdca cadca dacca adcca dcaca cdaca acdca cadca dccaa cdcaa dccaa cdcaa ccdaa ccdaa accda cacda accda cacda ccada ccada dacac adcac dcaac cdaac acdac cadac daacc adacc daacc adacc aadcc aadcc dcaac cdaac dacac adcac cadac acdac acadc caadc aacdc aacdc caadc acadc dacac adcac dcaac cdaac acdac cadac daacc adacc daacc adacc aadcc aadcc dcaac cdaac dacac adcac cadac acdac acadc caadc aacdc aacdc caadc acadc dccaa cdcaa dccaa cdcaa ccdaa ccdaa dcaca cdaca dacca adcca cadca acdca dcaca cdaca dacca adcca cadca acdca ccada ccada cacda accda cacda accda accad cacad accad cacad ccaad ccaad acacd caacd aaccd aaccd caacd acacd acacd caacd aaccd aaccd caacd acacd ccaad ccaad cacad accad cacad accad
Note: these 'words' (valid or invalid) are all the permutations of the word dacca. These words are obtained by scrambling the letters in dacca.