chibs hcibs cihbs ichbs hicbs ihcbs chbis hcbis cbhis bchis hbcis bhcis cibhs icbhs cbihs bcihs ibchs bichs hibcs ihbcs hbics bhics ibhcs bihcs chisb hcisb cihsb ichsb hicsb ihcsb chsib hcsib cshib schib hscib shcib cishb icshb csihb scihb ischb sichb hiscb ihscb hsicb shicb ishcb sihcb chbsi hcbsi cbhsi bchsi hbcsi bhcsi chsbi hcsbi cshbi schbi hscbi shcbi cbshi bcshi csbhi scbhi bschi sbchi hbsci bhsci hsbci shbci bshci sbhci cibsh icbsh cbish bcish ibcsh bicsh cisbh icsbh csibh scibh iscbh sicbh cbsih bcsih csbih scbih bscih sbcih ibsch bisch isbch sibch bsich sbich hibsc ihbsc hbisc bhisc ibhsc bihsc hisbc ihsbc hsibc shibc ishbc sihbc hbsic bhsic hsbic shbic bshic sbhic ibshc bishc isbhc sibhc bsihc sbihc
Note: these 'words' (valid or invalid) are all the permutations of the word chibs. These words are obtained by scrambling the letters in chibs.