pilot iplot pliot lpiot ilpot lipot piolt ipolt poilt opilt ioplt oiplt ploit lpoit polit oplit lopit olpit ilopt liopt iolpt oilpt loipt olipt pilto iplto plito lpito ilpto lipto pitlo iptlo ptilo tpilo itplo tiplo pltio lptio ptlio tplio ltpio tlpio iltpo litpo itlpo tilpo ltipo tlipo piotl ipotl poitl opitl ioptl oiptl pitol iptol ptiol tpiol itpol tipol potil optil ptoil tpoil otpil topil iotpl oitpl itopl tiopl otipl toipl ploti lpoti polti oplti lopti olpti pltoi lptoi ptloi tploi ltpoi tlpoi potli optli ptoli tpoli otpli topli lotpi oltpi ltopi tlopi otlpi tolpi ilotp liotp ioltp oiltp loitp olitp iltop litop itlop tilop ltiop tliop iotlp oitlp itolp tiolp otilp toilp lotip oltip ltoip tloip otlip tolip
Note: these 'words' (valid or invalid) are all the permutations of the word pilot. These words are obtained by scrambling the letters in pilot.