plane lpane palne aplne lapne alpne plnae lpnae pnlae nplae lnpae nlpae panle apnle pnale npale anple naple lanpe alnpe lnape nlape anlpe nalpe plaen lpaen palen aplen lapen alpen plean lpean pelan eplan lepan elpan paeln apeln pealn epaln aepln eapln laepn alepn leapn elapn aelpn ealpn plnea lpnea pnlea nplea lnpea nlpea plena lpena pelna eplna lepna elpna pnela npela penla epnla nepla enpla lnepa nlepa lenpa elnpa nelpa enlpa panel apnel pnael npael anpel napel paenl apenl peanl epanl aepnl eapnl pneal npeal penal epnal nepal enpal anepl naepl aenpl eanpl neapl enapl lanep alnep lnaep nlaep anlep nalep laenp alenp leanp elanp aelnp ealnp lneap nleap lenap elnap nelap enlap anelp naelp aenlp eanlp nealp enalp
Note: these 'words' (valid or invalid) are all the permutations of the word plane. These words are obtained by scrambling the letters in plane.