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