ieced eiced iceed cieed ecied ceied ieecd eiecd ieecd eiecd eeicd eeicd iceed cieed ieced eiced ceied ecied eceid ceeid eecid eecid ceeid eceid iecde eicde icede ciede ecide ceide iedce eidce idece diece edice deice icdee cidee idcee dicee cdiee dciee ecdie cedie edcie decie cdeie dceie ieedc eiedc ieedc eiedc eeidc eeidc iedec eidec ideec dieec ediec deiec iedec eidec ideec dieec ediec deiec eedic eedic edeic deeic edeic deeic icede ciede iecde eicde ceide ecide icdee cidee idcee dicee cdiee dciee iedce eidce idece diece edice deice cedie ecdie cdeie dceie edcie decie ecedi ceedi eecdi eecdi ceedi ecedi ecdei cedei edcei decei cdeei dceei eedci eedci edeci deeci edeci deeci cedei ecdei cdeei dceei edcei decei
Note: these 'words' (valid or invalid) are all the permutations of the word ieced. These words are obtained by scrambling the letters in ieced.