dinna idnna dnina ndina indna nidna dinna idnna dnina ndina indna nidna dnnia ndnia dnnia ndnia nndia nndia innda ninda innda ninda nnida nnida dinan idnan dnian ndian indan nidan diann idann dainn adinn iadnn aidnn dnain ndain danin adnin nadin andin inadn niadn iandn aindn naidn anidn dinan idnan dnian ndian indan nidan diann idann dainn adinn iadnn aidnn dnain ndain danin adnin nadin andin inadn niadn iandn aindn naidn anidn dnnai ndnai dnnai ndnai nndai nndai dnani ndani danni adnni nadni andni dnani ndani danni adnni nadni andni nnadi nnadi nandi anndi nandi anndi innad ninad innad ninad nniad nniad inand niand iannd ainnd naind anind inand niand iannd ainnd naind anind nnaid nnaid nanid annid nanid annid
Note: these 'words' (valid or invalid) are all the permutations of the word dinna. These words are obtained by scrambling the letters in dinna.