oribi roibi oirbi iorbi riobi irobi orbii robii obrii borii rboii broii oibri iobri obiri boiri ibori biori riboi irboi rbioi brioi ibroi biroi oriib roiib oirib iorib rioib iroib oriib roiib oirib iorib rioib iroib oiirb ioirb oiirb ioirb iiorb iiorb riiob iriob riiob iriob iirob iirob orbii robii obrii borii rboii broii oribi roibi oirbi iorbi riobi irobi obiri boiri oibri iobri biori ibori rbioi brioi riboi irboi biroi ibroi oibir iobir obiir boiir iboir bioir oiibr ioibr oiibr ioibr iiobr iiobr obiir boiir oibir iobir bioir iboir ibior biior iibor iibor biior ibior ribio irbio rbiio briio ibrio birio riibo iribo riibo iribo iirbo iirbo rbiio briio ribio irbio birio ibrio ibiro biiro iibro iibro biiro ibiro
Note: these 'words' (valid or invalid) are all the permutations of the word oribi. These words are obtained by scrambling the letters in oribi.