alcda lacda aclda calda lcada clada aldca ladca adlca dalca ldaca dlaca acdla cadla adcla dacla cdala dcala lcdaa cldaa ldcaa dlcaa cdlaa dclaa alcad lacad aclad calad lcaad claad alacd laacd aalcd aalcd laacd alacd acald caald aacld aacld caald acald lcaad claad lacad alcad calad aclad aldac ladac adlac dalac ldaac dlaac aladc laadc aaldc aaldc laadc aladc adalc daalc aadlc aadlc daalc adalc ldaac dlaac ladac aldac dalac adlac acdal cadal adcal dacal cdaal dcaal acadl caadl aacdl aacdl caadl acadl adacl daacl aadcl aadcl daacl adacl cdaal dcaal cadal acdal dacal adcal lcdaa cldaa ldcaa dlcaa cdlaa dclaa lcada clada lacda alcda calda aclda ldaca dlaca ladca aldca dalca adlca cdala dcala cadla acdla dacla adcla
Note: these 'words' (valid or invalid) are all the permutations of the word alcda. These words are obtained by scrambling the letters in alcda.