broch rboch borch obrch robch orbch brcoh rbcoh bcroh cbroh rcboh crboh bocrh obcrh bcorh cborh ocbrh cobrh rocbh orcbh rcobh crobh ocrbh corbh brohc rbohc borhc obrhc robhc orbhc brhoc rbhoc bhroc hbroc rhboc hrboc bohrc obhrc bhorc hborc ohbrc hobrc rohbc orhbc rhobc hrobc ohrbc horbc brcho rbcho bcrho cbrho rcbho crbho brhco rbhco bhrco hbrco rhbco hrbco bchro cbhro bhcro hbcro chbro hcbro rchbo crhbo rhcbo hrcbo chrbo hcrbo bochr obchr bcohr cbohr ocbhr cobhr bohcr obhcr bhocr hbocr ohbcr hobcr bchor cbhor bhcor hbcor chbor hcbor ochbr cohbr ohcbr hocbr chobr hcobr rochb orchb rcohb crohb ocrhb corhb rohcb orhcb rhocb hrocb ohrcb horcb rchob crhob rhcob hrcob chrob hcrob ochrb cohrb ohcrb hocrb chorb hcorb
Note: these 'words' (valid or invalid) are all the permutations of the word broch. These words are obtained by scrambling the letters in broch.