cavel acvel cvael vcael avcel vacel caevl acevl ceavl ecavl aecvl eacvl cveal vceal ceval ecval vecal evcal avecl vaecl aevcl eavcl veacl evacl cavle acvle cvale vcale avcle vacle calve aclve clave lcave alcve lacve cvlae vclae clvae lcvae vlcae lvcae avlce valce alvce lavce vlace lvace caelv acelv cealv ecalv aeclv eaclv calev aclev claev lcaev alcev lacev celav eclav cleav lceav elcav lecav aelcv ealcv alecv laecv elacv leacv cvela vcela cevla ecvla vecla evcla cvlea vclea clvea lcvea vlcea lvcea celva eclva cleva lceva elcva lecva velca evlca vleca lveca elvca levca avelc vaelc aevlc eavlc vealc evalc avlec valec alvec lavec vlaec lvaec aelvc ealvc alevc laevc elavc leavc velac evlac vleac lveac elvac levac
Note: these 'words' (valid or invalid) are all the permutations of the word cavel. These words are obtained by scrambling the letters in cavel.