clats lcats calts aclts lacts alcts cltas lctas ctlas tclas ltcas tlcas catls actls ctals tcals atcls tacls latcs altcs ltacs tlacs atlcs talcs clast lcast calst aclst lacst alcst clsat lcsat cslat sclat lscat slcat caslt acslt csalt scalt asclt saclt lasct alsct lsact slact aslct salct cltsa lctsa ctlsa tclsa ltcsa tlcsa clsta lcsta cslta sclta lscta slcta ctsla tcsla cstla sctla tscla stcla ltsca tlsca lstca sltca tslca stlca catsl actsl ctasl tcasl atcsl tacsl castl acstl csatl scatl asctl sactl ctsal tcsal cstal sctal tscal stcal atscl tascl astcl satcl tsacl stacl latsc altsc ltasc tlasc atlsc talsc lastc alstc lsatc slatc asltc saltc ltsac tlsac lstac sltac tslac stlac atslc taslc astlc satlc tsalc stalc
Note: these 'words' (valid or invalid) are all the permutations of the word clats. These words are obtained by scrambling the letters in clats.