panne apnne pnane npane anpne napne panne apnne pnane npane anpne napne pnnae npnae pnnae npnae nnpae nnpae annpe nanpe annpe nanpe nnape nnape panen apnen pnaen npaen anpen napen paenn apenn peann epann aepnn eapnn pnean npean penan epnan nepan enpan anepn naepn aenpn eanpn neapn enapn panen apnen pnaen npaen anpen napen paenn apenn peann epann aepnn eapnn pnean npean penan epnan nepan enpan anepn naepn aenpn eanpn neapn enapn pnnea npnea pnnea npnea nnpea nnpea pnena npena penna epnna nepna enpna pnena npena penna epnna nepna enpna nnepa nnepa nenpa ennpa nenpa ennpa annep nanep annep nanep nnaep nnaep anenp naenp aennp eannp neanp enanp anenp naenp aennp eannp neanp enanp nneap nneap nenap ennap nenap ennap
Note: these 'words' (valid or invalid) are all the permutations of the word panne. These words are obtained by scrambling the letters in panne.