biach ibach baich abich iabch aibch bicah ibcah bciah cbiah icbah cibah bacih abcih bcaih cbaih acbih cabih iacbh aicbh icabh ciabh acibh caibh biahc ibahc baihc abihc iabhc aibhc bihac ibhac bhiac hbiac ihbac hibac bahic abhic bhaic hbaic ahbic habic iahbc aihbc ihabc hiabc ahibc haibc bicha ibcha bciha cbiha icbha cibha bihca ibhca bhica hbica ihbca hibca bchia cbhia bhcia hbcia chbia hcbia ichba cihba ihcba hicba chiba hciba bachi abchi bcahi cbahi acbhi cabhi bahci abhci bhaci hbaci ahbci habci bchai cbhai bhcai hbcai chbai hcbai achbi cahbi ahcbi hacbi chabi hcabi iachb aichb icahb ciahb acihb caihb iahcb aihcb ihacb hiacb ahicb haicb ichab cihab ihcab hicab chiab hciab achib cahib ahcib hacib chaib hcaib
Note: these 'words' (valid or invalid) are all the permutations of the word biach. These words are obtained by scrambling the letters in biach.