clads lcads calds aclds lacds alcds cldas lcdas cdlas dclas ldcas dlcas cadls acdls cdals dcals adcls dacls ladcs aldcs ldacs dlacs adlcs dalcs clasd lcasd calsd aclsd lacsd alcsd clsad lcsad cslad sclad lscad slcad casld acsld csald scald ascld sacld lascd alscd lsacd slacd aslcd salcd cldsa lcdsa cdlsa dclsa ldcsa dlcsa clsda lcsda cslda sclda lscda slcda cdsla dcsla csdla scdla dscla sdcla ldsca dlsca lsdca sldca dslca sdlca cadsl acdsl cdasl dcasl adcsl dacsl casdl acsdl csadl scadl ascdl sacdl cdsal dcsal csdal scdal dscal sdcal adscl dascl asdcl sadcl dsacl sdacl ladsc aldsc ldasc dlasc adlsc dalsc lasdc alsdc lsadc sladc asldc saldc ldsac dlsac lsdac sldac dslac sdlac adslc daslc asdlc sadlc dsalc sdalc
Note: these 'words' (valid or invalid) are all the permutations of the word clads. These words are obtained by scrambling the letters in clads.