facta afcta fcata cfata acfta cafta fatca aftca ftaca tfaca atfca tafca fctaa cftaa ftcaa tfcaa ctfaa tcfaa actfa catfa atcfa tacfa ctafa tcafa facat afcat fcaat cfaat acfat cafat faact afact faact afact aafct aafct fcaat cfaat facat afcat cafat acfat acaft caaft aacft aacft caaft acaft fatac aftac ftaac tfaac atfac tafac faatc afatc faatc afatc aaftc aaftc ftaac tfaac fatac aftac tafac atfac atafc taafc aatfc aatfc taafc atafc fctaa cftaa ftcaa tfcaa ctfaa tcfaa fcata cfata facta afcta cafta acfta ftaca tfaca fatca aftca tafca atfca ctafa tcafa catfa actfa tacfa atcfa actaf cataf atcaf tacaf ctaaf tcaaf acatf caatf aactf aactf caatf acatf atacf taacf aatcf aatcf taacf atacf ctaaf tcaaf cataf actaf tacaf atcaf
Note: these 'words' (valid or invalid) are all the permutations of the word facta. These words are obtained by scrambling the letters in facta.