flail lfail falil aflil lafil alfil flial lfial filal iflal lifal ilfal faill afill fiall ifall aifll iafll laifl alifl liafl ilafl ailfl ialfl flali lfali falli aflli lafli alfli fllai lflai fllai lflai llfai llfai falli aflli flali lfali alfli lafli lalfi allfi llafi llafi allfi lalfi flila lfila filla iflla lifla ilfla fllia lflia fllia lflia llfia llfia filla iflla flila lfila ilfla lifla lilfa illfa llifa llifa illfa lilfa faill afill fiall ifall aifll iafll falil aflil flail lfail alfil lafil filal iflal flial lfial ilfal lifal ailfl ialfl alifl laifl ilafl liafl lailf alilf lialf ilalf aillf iallf lalif allif llaif llaif allif lalif lilaf illaf lliaf lliaf illaf lilaf aillf iallf alilf lailf ilalf lialf
Note: these 'words' (valid or invalid) are all the permutations of the word flail. These words are obtained by scrambling the letters in flail.