spars psars saprs asprs pasrs apsrs spras psras srpas rspas prsas rpsas sarps asrps sraps rsaps arsps rasps parss aprss prass rpass arpss rapss spasr psasr sapsr aspsr passr apssr spsar pssar sspar sspar pssar spsar saspr asspr ssapr ssapr asspr saspr passr apssr psasr spasr aspsr sapsr sprsa psrsa srpsa rspsa prssa rpssa spsra pssra sspra sspra pssra spsra srspa rsspa ssrpa ssrpa rsspa srspa prssa rpssa psrsa sprsa rspsa srpsa sarsp asrsp srasp rsasp arssp rassp sasrp assrp ssarp ssarp assrp sasrp srsap rssap ssrap ssrap rssap srsap arssp rassp asrsp sarsp rsasp srasp parss aprss prass rpass arpss rapss pasrs apsrs psars spars asprs saprs prsas rpsas psras spras rspas srpas arsps rasps asrps sarps rsaps sraps
Note: these 'words' (valid or invalid) are all the permutations of the word spars. These words are obtained by scrambling the letters in spars.