carap acrap craap rcaap arcap racap caarp acarp caarp acarp aacrp aacrp craap rcaap carap acrap racap arcap aracp raacp aarcp aarcp raacp aracp carpa acrpa crapa rcapa arcpa racpa capra acpra cpara pcara apcra pacra crpaa rcpaa cpraa pcraa rpcaa prcaa arpca rapca aprca parca rpaca praca caapr acapr caapr acapr aacpr aacpr capar acpar cpaar pcaar apcar pacar capar acpar cpaar pcaar apcar pacar aapcr aapcr apacr paacr apacr paacr crapa rcapa carpa acrpa racpa arcpa crpaa rcpaa cpraa pcraa rpcaa prcaa capra acpra cpara pcara apcra pacra rapca arpca rpaca praca aprca parca arapc raapc aarpc aarpc raapc arapc arpac rapac aprac parac rpaac praac aaprc aaprc aparc paarc aparc paarc rapac arpac rpaac praac aprac parac
Note: these 'words' (valid or invalid) are all the permutations of the word carap. These words are obtained by scrambling the letters in carap.