pagra apgra pgara gpara agpra gapra parga aprga praga rpaga arpga rapga pgraa gpraa prgaa rpgaa grpaa rgpaa agrpa garpa argpa ragpa grapa rgapa pagar apgar pgaar gpaar agpar gapar paagr apagr paagr apagr aapgr aapgr pgaar gpaar pagar apgar gapar agpar agapr gaapr aagpr aagpr gaapr agapr parag aprag praag rpaag arpag rapag paarg aparg paarg aparg aaprg aaprg praag rpaag parag aprag rapag arpag arapg raapg aarpg aarpg raapg arapg pgraa gpraa prgaa rpgaa grpaa rgpaa pgara gpara pagra apgra gapra agpra praga rpaga parga aprga rapga arpga grapa rgapa garpa agrpa ragpa argpa agrap garap argap ragap graap rgaap agarp gaarp aagrp aagrp gaarp agarp aragp raagp aargp aargp raagp aragp graap rgaap garap agrap ragap argap
Note: these 'words' (valid or invalid) are all the permutations of the word pagra. These words are obtained by scrambling the letters in pagra.