nomad onmad nmoad mnoad omnad monad noamd onamd naomd anomd oanmd aonmd nmaod mnaod namod anmod manod amnod omand moand oamnd aomnd maond amond nomda onmda nmoda mnoda omnda monda nodma ondma ndoma dnoma odnma donma nmdoa mndoa ndmoa dnmoa mdnoa dmnoa omdna modna odmna domna mdona dmona noadm onadm naodm anodm oandm aondm nodam ondam ndoam dnoam odnam donam nadom andom ndaom dnaom adnom danom oadnm aodnm odanm doanm adonm daonm nmado mnado namdo anmdo mando amndo nmdao mndao ndmao dnmao mdnao dmnao nadmo andmo ndamo dnamo adnmo danmo madno amdno mdano dmano admno damno omadn moadn oamdn aomdn maodn amodn omdan modan odman doman mdoan dmoan oadmn aodmn odamn doamn adomn daomn madon amdon mdaon dmaon admon damon
Note: these 'words' (valid or invalid) are all the permutations of the word nomad. These words are obtained by scrambling the letters in nomad.