tapen atpen tpaen ptaen apten paten taepn atepn teapn etapn aetpn eatpn tpean ptean tepan etpan petan eptan apetn paetn aeptn eaptn peatn epatn tapne atpne tpane ptane aptne patne tanpe atnpe tnape ntape antpe natpe tpnae ptnae tnpae ntpae pntae nptae apnte pante anpte napte pnate npate taenp atenp teanp etanp aetnp eatnp tanep atnep tnaep ntaep antep natep tenap etnap tneap nteap entap netap aentp eantp anetp naetp enatp neatp tpena ptena tepna etpna petna eptna tpnea ptnea tnpea ntpea pntea nptea tenpa etnpa tnepa ntepa entpa netpa penta epnta pneta npeta enpta nepta apent paent aepnt eapnt peant epant apnet panet anpet napet pnaet npaet aenpt eanpt anept naept enapt neapt penat epnat pneat npeat enpat nepat
Note: these 'words' (valid or invalid) are all the permutations of the word tapen. These words are obtained by scrambling the letters in tapen.