admcu damcu amdcu madcu dmacu mdacu adcmu dacmu acdmu cadmu dcamu cdamu amcdu macdu acmdu camdu mcadu cmadu dmcau mdcau dcmau cdmau mcdau cmdau admuc damuc amduc maduc dmauc mdauc adumc daumc audmc uadmc duamc udamc amudc maudc aumdc uamdc muadc umadc dmuac mduac dumac udmac mudac umdac adcum dacum acdum cadum dcaum cdaum aducm daucm audcm uadcm duacm udacm acudm caudm aucdm uacdm cuadm ucadm dcuam cduam ducam udcam cudam ucdam amcud macud acmud camud mcaud cmaud amucd maucd aumcd uamcd muacd umacd acumd caumd aucmd uacmd cuamd ucamd mcuad cmuad mucad umcad cumad ucmad dmcua mdcua dcmua cdmua mcdua cmdua dmuca mduca dumca udmca mudca umdca dcuma cduma ducma udcma cudma ucdma mcuda cmuda mucda umcda cumda ucmda
Note: these 'words' (valid or invalid) are all the permutations of the word admcu. These words are obtained by scrambling the letters in admcu.