unman numan umnan munan nmuan mnuan unamn nuamn uanmn aunmn naumn anumn umann muann uamnn aumnn maunn amunn nmaun mnaun namun anmun manun amnun unmna numna umnna munna nmuna mnuna unnma nunma unnma nunma nnuma nnuma umnna munna unmna numna mnuna nmuna nmnua mnnua nnmua nnmua mnnua nmnua unanm nuanm uannm aunnm naunm anunm unnam nunam unnam nunam nnuam nnuam uannm aunnm unanm nuanm anunm naunm nanum annum nnaum nnaum annum nanum umann muann uamnn aumnn maunn amunn umnan munan unman numan mnuan nmuan uanmn aunmn unamn nuamn anumn naumn manun amnun mnaun nmaun anmun namun nmanu mnanu namnu anmnu mannu amnnu nmnau mnnau nnmau nnmau mnnau nmnau nanmu annmu nnamu nnamu annmu nanmu mannu amnnu mnanu nmanu anmnu namnu
Note: these 'words' (valid or invalid) are all the permutations of the word unman. These words are obtained by scrambling the letters in unman.