sflaa fslaa slfaa lsfaa flsaa lfsaa sfala fsala safla asfla fasla afsla slafa lsafa salfa aslfa lasfa alsfa flasa lfasa falsa aflsa lafsa alfsa sflaa fslaa slfaa lsfaa flsaa lfsaa sfala fsala safla asfla fasla afsla slafa lsafa salfa aslfa lasfa alsfa flasa lfasa falsa aflsa lafsa alfsa sfaal fsaal safal asfal fasal afsal sfaal fsaal safal asfal fasal afsal saafl asafl saafl asafl aasfl aasfl faasl afasl faasl afasl aafsl aafsl slaaf lsaaf salaf aslaf lasaf alsaf slaaf lsaaf salaf aslaf lasaf alsaf saalf asalf saalf asalf aaslf aaslf laasf alasf laasf alasf aalsf aalsf flaas lfaas falas aflas lafas alfas flaas lfaas falas aflas lafas alfas faals afals faals afals aafls aafls laafs alafs laafs alafs aalfs aalfs
Note: these 'words' (valid or invalid) are all the permutations of the word sflaa. These words are obtained by scrambling the letters in sflaa.