cebid ecbid cbeid bceid ebcid becid ceibd ecibd ciebd icebd eicbd iecbd cbied bcied cibed icbed biced ibced ebicd beicd eibcd iebcd biecd ibecd cebdi ecbdi cbedi bcedi ebcdi becdi cedbi ecdbi cdebi dcebi edcbi decbi cbdei bcdei cdbei dcbei bdcei dbcei ebdci bedci edbci debci bdeci dbeci ceidb ecidb ciedb icedb eicdb iecdb cedib ecdib cdeib dceib edcib decib cideb icdeb cdieb dcieb idceb diceb eidcb iedcb edicb deicb idecb diecb cbide bcide cibde icbde bicde ibcde cbdie bcdie cdbie dcbie bdcie dbcie cidbe icdbe cdibe dcibe idcbe dicbe bidce ibdce bdice dbice idbce dibce ebidc beidc eibdc iebdc biedc ibedc ebdic bedic edbic debic bdeic dbeic eidbc iedbc edibc deibc idebc diebc bidec ibdec bdiec dbiec idbec dibec
Note: these 'words' (valid or invalid) are all the permutations of the word cebid. These words are obtained by scrambling the letters in cebid.