nappe anppe npape pnape apnpe panpe nappe anppe npape pnape apnpe panpe nppae pnpae nppae pnpae ppnae ppnae appne papne appne papne ppane ppane napep anpep npaep pnaep apnep panep naepp anepp neapp enapp aenpp eanpp npeap pneap nepap enpap penap epnap apenp paenp aepnp eapnp peanp epanp napep anpep npaep pnaep apnep panep naepp anepp neapp enapp aenpp eanpp npeap pneap nepap enpap penap epnap apenp paenp aepnp eapnp peanp epanp nppea pnpea nppea pnpea ppnea ppnea npepa pnepa neppa enppa penpa epnpa npepa pnepa neppa enppa penpa epnpa ppena ppena pepna eppna pepna eppna appen papen appen papen ppaen ppaen apepn paepn aeppn eappn peapn epapn apepn paepn aeppn eappn peapn epapn ppean ppean pepan eppan pepan eppan
Note: these 'words' (valid or invalid) are all the permutations of the word nappe. These words are obtained by scrambling the letters in nappe.