rotci ortci rtoci troci otrci torci rocti orcti rcoti croti ocrti corti rtcoi trcoi rctoi crtoi tcroi ctroi otcri tocri octri cotri tcori ctori rotic ortic rtoic troic otric toric roitc oritc riotc irotc oirtc iortc rtioc trioc ritoc irtoc tiroc itroc otirc toirc oitrc iotrc tiorc itorc rocit orcit rcoit croit ocrit corit roict orict rioct iroct oirct iorct rciot criot ricot ircot cirot icrot ocirt coirt oicrt iocrt ciort icort rtcio trcio rctio crtio tcrio ctrio rtico trico ritco irtco tirco itrco rcito crito ricto ircto cirto icrto tciro ctiro ticro itcro citro ictro otcir tocir octir cotir tcoir ctoir oticr toicr oitcr iotcr tiocr itocr ocitr coitr oictr ioctr ciotr icotr tcior ctior ticor itcor citor ictor
Note: these 'words' (valid or invalid) are all the permutations of the word rotci. These words are obtained by scrambling the letters in rotci.