klong lkong kolng oklng lokng olkng klnog lknog knlog nklog lnkog nlkog konlg oknlg knolg nkolg onklg noklg lonkg olnkg lnokg nlokg onlkg nolkg klogn lkogn kolgn oklgn lokgn olkgn klgon lkgon kglon gklon lgkon glkon kogln okgln kgoln gkoln ogkln gokln logkn olgkn lgokn glokn oglkn golkn klngo lkngo knlgo nklgo lnkgo nlkgo klgno lkgno kglno gklno lgkno glkno knglo nkglo kgnlo gknlo ngklo gnklo lngko nlgko lgnko glnko nglko gnlko kongl okngl knogl nkogl onkgl nokgl kognl okgnl kgonl gkonl ogknl goknl kngol nkgol kgnol gknol ngkol gnkol ongkl nogkl ognkl gonkl ngokl gnokl longk olngk lnogk nlogk onlgk nolgk lognk olgnk lgonk glonk oglnk golnk lngok nlgok lgnok glnok nglok gnlok onglk noglk ognlk gonlk ngolk gnolk
Note: these 'words' (valid or invalid) are all the permutations of the word klong. These words are obtained by scrambling the letters in klong.