brawn rbawn barwn abrwn rabwn arbwn brwan rbwan bwran wbran rwban wrban bawrn abwrn bwarn wbarn awbrn wabrn rawbn arwbn rwabn wrabn awrbn warbn branw rbanw barnw abrnw rabnw arbnw brnaw rbnaw bnraw nbraw rnbaw nrbaw banrw abnrw bnarw nbarw anbrw nabrw ranbw arnbw rnabw nrabw anrbw narbw brwna rbwna bwrna wbrna rwbna wrbna brnwa rbnwa bnrwa nbrwa rnbwa nrbwa bwnra wbnra bnwra nbwra wnbra nwbra rwnba wrnba rnwba nrwba wnrba nwrba bawnr abwnr bwanr wbanr awbnr wabnr banwr abnwr bnawr nbawr anbwr nabwr bwnar wbnar bnwar nbwar wnbar nwbar awnbr wanbr anwbr nawbr wnabr nwabr rawnb arwnb rwanb wranb awrnb warnb ranwb arnwb rnawb nrawb anrwb narwb rwnab wrnab rnwab nrwab wnrab nwrab awnrb wanrb anwrb nawrb wnarb nwarb
Note: these 'words' (valid or invalid) are all the permutations of the word brawn. These words are obtained by scrambling the letters in brawn.