faffs afffs ffafs ffafs afffs faffs faffs afffs ffafs ffafs afffs faffs fffas fffas fffas fffas fffas fffas afffs faffs afffs faffs ffafs ffafs fafsf affsf ffasf ffasf affsf fafsf fasff afsff fsaff sfaff asfff safff ffsaf ffsaf fsfaf sffaf fsfaf sffaf afsff fasff asfff safff fsaff sfaff fafsf affsf ffasf ffasf affsf fafsf fasff afsff fsaff sfaff asfff safff ffsaf ffsaf fsfaf sffaf fsfaf sffaf afsff fasff asfff safff fsaff sfaff fffsa fffsa fffsa fffsa fffsa fffsa ffsfa ffsfa fsffa sfffa fsffa sfffa ffsfa ffsfa fsffa sfffa fsffa sfffa ffsfa ffsfa fsffa sfffa fsffa sfffa affsf fafsf affsf fafsf ffasf ffasf afsff fasff asfff safff fsaff sfaff afsff fasff asfff safff fsaff sfaff ffsaf ffsaf fsfaf sffaf fsfaf sffaf
Note: these 'words' (valid or invalid) are all the permutations of the word faffs. These words are obtained by scrambling the letters in faffs.