chace hcace cahce achce hacce ahcce chcae hccae cchae cchae hccae chcae cache acche ccahe ccahe acche cache hacce ahcce hcace chace achce cahce chaec hcaec cahec achec hacec ahcec cheac hceac cehac echac hecac ehcac caehc acehc ceahc ecahc aechc eachc haecc ahecc heacc ehacc aehcc eahcc chcea hccea cchea cchea hccea chcea checa hceca cehca echca hecca ehcca cceha cceha cecha eccha cecha eccha hceca checa hecca ehcca cehca echca caceh acceh ccaeh ccaeh acceh caceh caech acech ceach ecach aecch eacch cceah cceah cecah eccah cecah eccah acech caech aecch eacch ceach ecach hacec ahcec hcaec chaec achec cahec haecc ahecc heacc ehacc aehcc eahcc hceac cheac hecac ehcac cehac echac acehc caehc aechc eachc ceahc ecahc
Note: these 'words' (valid or invalid) are all the permutations of the word chace. These words are obtained by scrambling the letters in chace.