colon oclon cloon lcoon olcon locon cooln ocoln cooln ocoln oocln oocln cloon lcoon colon oclon locon olcon olocn loocn oolcn oolcn loocn olocn colno oclno clono lcono olcno locno conlo ocnlo cnolo ncolo onclo noclo clnoo lcnoo cnloo ncloo lncoo nlcoo olnco lonco onlco nolco lnoco nloco coonl oconl coonl oconl oocnl oocnl conol ocnol cnool ncool oncol nocol conol ocnol cnool ncool oncol nocol ooncl ooncl onocl noocl onocl noocl clono lcono colno oclno locno olcno clnoo lcnoo cnloo ncloo lncoo nlcoo conlo ocnlo cnolo ncolo onclo noclo lonco olnco lnoco nloco onlco nolco olonc loonc oolnc oolnc loonc olonc olnoc lonoc onloc noloc lnooc nlooc oonlc oonlc onolc noolc onolc noolc lonoc olnoc lnooc nlooc onloc noloc
Note: these 'words' (valid or invalid) are all the permutations of the word colon. These words are obtained by scrambling the letters in colon.