caihc acihc ciahc icahc aichc iachc cahic achic chaic hcaic ahcic hacic cihac ichac chiac hciac ihcac hicac aihcc iahcc ahicc haicc ihacc hiacc caich acich ciach icach aicch iacch cacih accih ccaih ccaih accih cacih cicah iccah cciah cciah iccah cicah aicch iacch acich caich icach ciach cahci achci chaci hcaci ahcci hacci cachi acchi ccahi ccahi acchi cachi chcai hccai cchai cchai hccai chcai ahcci hacci achci cahci hcaci chaci cihca ichca chica hcica ihcca hicca cicha iccha cciha cciha iccha cicha chcia hccia cchia cchia hccia chcia ihcca hicca ichca cihca hcica chica aihcc iahcc ahicc haicc ihacc hiacc aichc iachc acihc caihc icahc ciahc ahcic hacic achic cahic hcaic chaic ihcac hicac ichac cihac hciac chiac
Note: these 'words' (valid or invalid) are all the permutations of the word caihc. These words are obtained by scrambling the letters in caihc.