mamas ammas mmaas mmaas ammas mamas maams amams maams amams aamms aamms mmaas mmaas mamas ammas mamas ammas amams maams aamms aamms maams amams mamsa ammsa mmasa mmasa ammsa mamsa masma amsma msama smama asmma samma mmsaa mmsaa msmaa smmaa msmaa smmaa amsma masma asmma samma msama smama maasm amasm maasm amasm aamsm aamsm masam amsam msaam smaam asmam samam masam amsam msaam smaam asmam samam aasmm aasmm asamm saamm asamm saamm mmasa mmasa mamsa ammsa mamsa ammsa mmsaa mmsaa msmaa smmaa msmaa smmaa masma amsma msama smama asmma samma masma amsma msama smama asmma samma amasm maasm aamsm aamsm maasm amasm amsam masam asmam samam msaam smaam aasmm aasmm asamm saamm asamm saamm masam amsam msaam smaam asmam samam
Note: these 'words' (valid or invalid) are all the permutations of the word mamas. These words are obtained by scrambling the letters in mamas.