ramus armus rmaus mraus amrus marus raums arums ruams urams aurms uarms rmuas mruas rumas urmas muras umras amurs maurs aumrs uamrs muars umars ramsu armsu rmasu mrasu amrsu marsu rasmu arsmu rsamu sramu asrmu sarmu rmsau mrsau rsmau srmau msrau smrau amsru masru asmru samru msaru smaru rausm arusm ruasm urasm aursm uarsm rasum arsum rsaum sraum asrum sarum rusam ursam rsuam sruam usram suram ausrm uasrm asurm saurm usarm suarm rmusa mrusa rumsa urmsa mursa umrsa rmsua mrsua rsmua srmua msrua smrua rusma ursma rsuma sruma usrma surma musra umsra msura smura usmra sumra amusr mausr aumsr uamsr muasr umasr amsur masur asmur samur msaur smaur ausmr uasmr asumr saumr usamr suamr musar umsar msuar smuar usmar sumar
Note: these 'words' (valid or invalid) are all the permutations of the word ramus. These words are obtained by scrambling the letters in ramus.