pitas iptas ptias tpias itpas tipas piats ipats paits apits iapts aipts ptais tpais patis aptis tapis atpis itaps tiaps iatps aitps taips atips pitsa iptsa ptisa tpisa itpsa tipsa pista ipsta psita spita ispta sipta ptsia tpsia pstia sptia tspia stpia itspa tispa istpa sitpa tsipa stipa piast ipast paist apist iapst aipst pisat ipsat psiat spiat ispat sipat pasit apsit psait spait aspit sapit iaspt aispt isapt siapt asipt saipt ptasi tpasi patsi aptsi tapsi atpsi ptsai tpsai pstai sptai tspai stpai pasti apsti psati spati aspti sapti taspi atspi tsapi stapi astpi satpi itasp tiasp iatsp aitsp taisp atisp itsap tisap istap sitap tsiap stiap iastp aistp isatp siatp asitp saitp tasip atsip tsaip staip astip satip
Note: these 'words' (valid or invalid) are all the permutations of the word pitas. These words are obtained by scrambling the letters in pitas.