calid aclid claid lcaid alcid lacid caild acild ciald icald aicld iacld cliad lciad cilad iclad licad ilcad alicd laicd ailcd ialcd liacd ilacd caldi acldi cladi lcadi alcdi lacdi cadli acdli cdali dcali adcli dacli cldai lcdai cdlai dclai ldcai dlcai aldci ladci adlci dalci ldaci dlaci caidl acidl ciadl icadl aicdl iacdl cadil acdil cdail dcail adcil dacil cidal icdal cdial dcial idcal dical aidcl iadcl adicl daicl idacl diacl clida lcida cilda iclda licda ilcda cldia lcdia cdlia dclia ldcia dlcia cidla icdla cdila dcila idcla dicla lidca ildca ldica dlica idlca dilca alidc laidc aildc ialdc liadc iladc aldic ladic adlic dalic ldaic dlaic aidlc iadlc adilc dailc idalc dialc lidac ildac ldiac dliac idlac dilac
Note: these 'words' (valid or invalid) are all the permutations of the word calid. These words are obtained by scrambling the letters in calid.