geaca egaca gaeca ageca eagca aegca gecaa egcaa gceaa cgeaa ecgaa cegaa gacea agcea gcaea cgaea acgea cagea eacga aecga ecaga ceaga acega caega geaac egaac gaeac ageac eagac aegac geaac egaac gaeac ageac eagac aegac gaaec agaec gaaec agaec aagec aagec eaagc aeagc eaagc aeagc aaegc aaegc gecaa egcaa gceaa cgeaa ecgaa cegaa geaca egaca gaeca ageca eagca aegca gcaea cgaea gacea agcea cagea acgea ecaga ceaga eacga aecga caega acega gacae agcae gcaae cgaae acgae cagae gaace agace gaace agace aagce aagce gcaae cgaae gacae agcae cagae acgae acage caage aacge aacge caage acage eacag aecag ecaag ceaag aceag caeag eaacg aeacg eaacg aeacg aaecg aaecg ecaag ceaag eacag aecag caeag aceag acaeg caaeg aaceg aaceg caaeg acaeg
Note: these 'words' (valid or invalid) are all the permutations of the word geaca. These words are obtained by scrambling the letters in geaca.