klpan lkpan kplan pklan lpkan plkan klapn lkapn kalpn aklpn lakpn alkpn kpaln pkaln kapln akpln pakln apkln lpakn plakn lapkn alpkn palkn aplkn klpna lkpna kplna pklna lpkna plkna klnpa lknpa knlpa nklpa lnkpa nlkpa kpnla pknla knpla nkpla pnkla npkla lpnka plnka lnpka nlpka pnlka nplka klanp lkanp kalnp aklnp laknp alknp klnap lknap knlap nklap lnkap nlkap kanlp aknlp knalp nkalp anklp naklp lankp alnkp lnakp nlakp anlkp nalkp kpanl pkanl kapnl akpnl paknl apknl kpnal pknal knpal nkpal pnkal npkal kanpl aknpl knapl nkapl ankpl nakpl pankl apnkl pnakl npakl anpkl napkl lpank plank lapnk alpnk palnk aplnk lpnak plnak lnpak nlpak pnlak nplak lanpk alnpk lnapk nlapk anlpk nalpk panlk apnlk pnalk npalk anplk naplk
Note: these 'words' (valid or invalid) are all the permutations of the word klpan. These words are obtained by scrambling the letters in klpan.