curdy ucrdy crudy rcudy urcdy rucdy cudry ucdry cdury dcury udcry ducry crduy rcduy cdruy dcruy rdcuy drcuy urdcy rudcy udrcy durcy rducy drucy curyd ucryd cruyd rcuyd urcyd rucyd cuyrd ucyrd cyurd ycurd uycrd yucrd cryud rcyud cyrud ycrud rycud yrcud urycd ruycd uyrcd yurcd ryucd yrucd cudyr ucdyr cduyr dcuyr udcyr ducyr cuydr ucydr cyudr ycudr uycdr yucdr cdyur dcyur cydur ycdur dycur ydcur udycr duycr uydcr yudcr dyucr yducr crdyu rcdyu cdryu dcryu rdcyu drcyu crydu rcydu cyrdu ycrdu rycdu yrcdu cdyru dcyru cydru ycdru dycru ydcru rdycu drycu rydcu yrdcu dyrcu ydrcu urdyc rudyc udryc duryc rduyc druyc urydc ruydc uyrdc yurdc ryudc yrudc udyrc duyrc uydrc yudrc dyurc ydurc rdyuc dryuc ryduc yrduc dyruc ydruc
Note: these 'words' (valid or invalid) are all the permutations of the word curdy. These words are obtained by scrambling the letters in curdy.