chafe hcafe cahfe achfe hacfe ahcfe chfae hcfae cfhae fchae hfcae fhcae cafhe acfhe cfahe fcahe afche fache hafce ahfce hface fhace afhce fahce chaef hcaef cahef achef hacef ahcef cheaf hceaf cehaf echaf hecaf ehcaf caehf acehf ceahf ecahf aechf eachf haecf ahecf heacf ehacf aehcf eahcf chfea hcfea cfhea fchea hfcea fhcea chefa hcefa cehfa echfa hecfa ehcfa cfeha fceha cefha ecfha fecha efcha hfeca fheca hefca ehfca fehca efhca cafeh acfeh cfaeh fcaeh afceh faceh caefh acefh ceafh ecafh aecfh eacfh cfeah fceah cefah ecfah fecah efcah afech faech aefch eafch feach efach hafec ahfec hfaec fhaec afhec fahec haefc ahefc heafc ehafc aehfc eahfc hfeac fheac hefac ehfac fehac efhac afehc faehc aefhc eafhc feahc efahc
Note: these 'words' (valid or invalid) are all the permutations of the word chafe. These words are obtained by scrambling the letters in chafe.