chlca hclca clhca lchca hlcca lhcca chcla hccla cchla cchla hccla chcla clcha lccha cclha cclha lccha clcha hlcca lhcca hclca chlca lchca clhca chlac hclac clhac lchac hlcac lhcac chalc hcalc cahlc achlc haclc ahclc clahc lcahc calhc aclhc lachc alchc hlacc lhacc halcc ahlcc lahcc alhcc chcal hccal cchal cchal hccal chcal chacl hcacl cahcl achcl haccl ahccl ccahl ccahl cachl acchl cachl acchl hcacl chacl haccl ahccl cahcl achcl clcah lccah cclah cclah lccah clcah clach lcach calch aclch lacch alcch ccalh ccalh caclh acclh caclh acclh lcach clach lacch alcch calch aclch hlcac lhcac hclac chlac lchac clhac hlacc lhacc halcc ahlcc lahcc alhcc hcalc chalc haclc ahclc cahlc achlc lcahc clahc lachc alchc calhc aclhc
Note: these 'words' (valid or invalid) are all the permutations of the word chlca. These words are obtained by scrambling the letters in chlca.