panda apnda pnada npada anpda napda padna apdna pdana dpana adpna dapna pndaa npdaa pdnaa dpnaa ndpaa dnpaa andpa nadpa adnpa danpa ndapa dnapa panad apnad pnaad npaad anpad napad paand apand paand apand aapnd aapnd pnaad npaad panad apnad napad anpad anapd naapd aanpd aanpd naapd anapd padan apdan pdaan dpaan adpan dapan paadn apadn paadn apadn aapdn aapdn pdaan dpaan padan apdan dapan adpan adapn daapn aadpn aadpn daapn adapn pndaa npdaa pdnaa dpnaa ndpaa dnpaa pnada npada panda apnda napda anpda pdana dpana padna apdna dapna adpna ndapa dnapa nadpa andpa danpa adnpa andap nadap adnap danap ndaap dnaap anadp naadp aandp aandp naadp anadp adanp daanp aadnp aadnp daanp adanp ndaap dnaap nadap andap danap adnap
Note: these 'words' (valid or invalid) are all the permutations of the word panda. These words are obtained by scrambling the letters in panda.