cecti eccti cceti cceti eccti cecti cetci ectci cteci tceci etcci tecci cctei cctei ctcei tccei ctcei tccei ectci cetci etcci tecci cteci tceci cecit eccit cceit cceit eccit cecit ceict ecict ciect icect eicct iecct cciet cciet cicet iccet cicet iccet ecict ceict eicct iecct ciect icect cetic ectic cteic tceic etcic tecic ceitc ecitc cietc icetc eictc iectc ctiec tciec citec ictec ticec itcec eticc teicc eitcc ietcc tiecc itecc cctie cctie ctcie tccie ctcie tccie ccite ccite cicte iccte cicte iccte ctice tcice citce ictce ticce itcce ctice tcice citce ictce ticce itcce ectic cetic etcic tecic cteic tceic ecitc ceitc eictc iectc cietc icetc eticc teicc eitcc ietcc tiecc itecc ctiec tciec citec ictec ticec itcec
Note: these 'words' (valid or invalid) are all the permutations of the word cecti. These words are obtained by scrambling the letters in cecti.