thcic htcic tchic cthic hctic chtic thicc hticc tihcc ithcc hitcc ihtcc tcihc ctihc tichc itchc cithc icthc hcitc chitc hictc ihctc cihtc ichtc thcci htcci tchci cthci hctci chtci thcci htcci tchci cthci hctci chtci tcchi ctchi tcchi ctchi ccthi ccthi hccti chcti hccti chcti cchti cchti thicc hticc tihcc ithcc hitcc ihtcc thcic htcic tchic cthic hctic chtic tichc itchc tcihc ctihc icthc cithc hictc ihctc hcitc chitc ichtc cihtc tcich ctich ticch itcch citch ictch tccih ctcih tccih ctcih cctih cctih ticch itcch tcich ctich ictch citch cicth iccth ccith ccith iccth cicth hcict chict hicct ihcct cihct ichct hccit chcit hccit chcit cchit cchit hicct ihcct hcict chict ichct cihct cicht iccht cciht cciht iccht cicht
Note: these 'words' (valid or invalid) are all the permutations of the word thcic. These words are obtained by scrambling the letters in thcic.