fatal aftal ftaal tfaal atfal tafal faatl afatl faatl afatl aaftl aaftl ftaal tfaal fatal aftal tafal atfal atafl taafl aatfl aatfl taafl atafl fatla aftla ftala tfala atfla tafla falta aflta flata lfata alfta lafta ftlaa tflaa fltaa lftaa tlfaa ltfaa atlfa talfa altfa latfa tlafa ltafa faalt afalt faalt afalt aaflt aaflt falat aflat flaat lfaat alfat lafat falat aflat flaat lfaat alfat lafat aalft aalft alaft laaft alaft laaft ftala tfala fatla aftla tafla atfla ftlaa tflaa fltaa lftaa tlfaa ltfaa falta aflta flata lfata alfta lafta talfa atlfa tlafa ltafa altfa latfa atalf taalf aatlf aatlf taalf atalf atlaf talaf altaf lataf tlaaf ltaaf aaltf aaltf alatf laatf alatf laatf talaf atlaf tlaaf ltaaf altaf lataf
Note: these 'words' (valid or invalid) are all the permutations of the word fatal. These words are obtained by scrambling the letters in fatal.