ornmd ronmd onrmd normd rnomd nromd ormnd romnd omrnd mornd rmond mrond onmrd nomrd omnrd monrd nmord mnord rnmod nrmod rmnod mrnod nmrod mnrod orndm rondm onrdm nordm rnodm nrodm ordnm rodnm odrnm dornm rdonm dronm ondrm nodrm odnrm donrm ndorm dnorm rndom nrdom rdnom drnom ndrom dnrom ormdn romdn omrdn mordn rmodn mrodn ordmn rodmn odrmn dormn rdomn dromn omdrn modrn odmrn domrn mdorn dmorn rmdon mrdon rdmon drmon mdron dmron onmdr nomdr omndr mondr nmodr mnodr ondmr nodmr odnmr donmr ndomr dnomr omdnr modnr odmnr domnr mdonr dmonr nmdor mndor ndmor dnmor mdnor dmnor rnmdo nrmdo rmndo mrndo nmrdo mnrdo rndmo nrdmo rdnmo drnmo ndrmo dnrmo rmdno mrdno rdmno drmno mdrno dmrno nmdro mndro ndmro dnmro mdnro dmnro
Note: these 'words' (valid or invalid) are all the permutations of the word ornmd. These words are obtained by scrambling the letters in ornmd.