citer icter ctier tcier itcer ticer cietr icetr ceitr ecitr iectr eictr cteir tceir cetir ectir tecir etcir itecr tiecr ietcr eitcr teicr eticr citre ictre ctire tcire itcre ticre cirte icrte crite rcite ircte ricte ctrie tcrie crtie rctie trcie rtcie itrce tirce irtce ritce trice rtice ciert icert ceirt ecirt iecrt eicrt ciret icret criet rciet ircet ricet cerit ecrit creit rceit ercit recit ierct eirct irect riect erict reict cteri tceri cetri ectri tecri etcri ctrei tcrei crtei rctei trcei rtcei certi ecrti creti rceti ercti recti terci etrci treci rteci ertci retci iterc tierc ietrc eitrc teirc etirc itrec tirec irtec ritec triec rtiec iertc eirtc iretc rietc eritc reitc teric etric treic rteic ertic retic
Note: these 'words' (valid or invalid) are all the permutations of the word citer. These words are obtained by scrambling the letters in citer.