curds ucrds cruds rcuds urcds rucds cudrs ucdrs cdurs dcurs udcrs ducrs crdus rcdus cdrus dcrus rdcus drcus urdcs rudcs udrcs durcs rducs drucs cursd ucrsd crusd rcusd urcsd rucsd cusrd ucsrd csurd scurd uscrd sucrd crsud rcsud csrud scrud rscud srcud urscd ruscd usrcd surcd rsucd srucd cudsr ucdsr cdusr dcusr udcsr ducsr cusdr ucsdr csudr scudr uscdr sucdr cdsur dcsur csdur scdur dscur sdcur udscr duscr usdcr sudcr dsucr sducr crdsu rcdsu cdrsu dcrsu rdcsu drcsu crsdu rcsdu csrdu scrdu rscdu srcdu cdsru dcsru csdru scdru dscru sdcru rdscu drscu rsdcu srdcu dsrcu sdrcu urdsc rudsc udrsc dursc rdusc drusc ursdc rusdc usrdc surdc rsudc srudc udsrc dusrc usdrc sudrc dsurc sdurc rdsuc drsuc rsduc srduc dsruc sdruc
Note: these 'words' (valid or invalid) are all the permutations of the word curds. These words are obtained by scrambling the letters in curds.