boric obric broic rboic orbic robic boirc obirc biorc iborc oibrc iobrc brioc rbioc biroc ibroc riboc irboc oribc roibc oirbc iorbc riobc irobc borci obrci broci rboci orbci robci bocri obcri bcori cbori ocbri cobri brcoi rbcoi bcroi cbroi rcboi crboi orcbi rocbi ocrbi corbi rcobi crobi boicr obicr biocr ibocr oibcr iobcr bocir obcir bcoir cboir ocbir cobir bicor ibcor bcior cbior icbor cibor oicbr iocbr ocibr coibr icobr ciobr brico rbico birco ibrco ribco irbco brcio rbcio bcrio cbrio rcbio crbio bicro ibcro bciro cbiro icbro cibro ricbo ircbo rcibo cribo icrbo cirbo oricb roicb oircb iorcb riocb irocb orcib rocib ocrib corib rcoib croib oicrb iocrb ocirb coirb icorb ciorb ricob ircob rciob criob icrob cirob
Note: these 'words' (valid or invalid) are all the permutations of the word boric. These words are obtained by scrambling the letters in boric.