ahbit habit abhit bahit hbait bhait ahibt haibt aihbt iahbt hiabt ihabt abiht baiht aibht iabht biaht ibaht hbiat bhiat hibat ihbat bihat ibhat ahbti habti abhti bahti hbati bhati ahtbi hatbi athbi tahbi htabi thabi abthi bathi atbhi tabhi btahi tbahi hbtai bhtai htbai thbai bthai tbhai ahitb haitb aihtb iahtb hiatb ihatb ahtib hatib athib tahib htaib thaib aithb iathb atihb taihb itahb tiahb hitab ihtab htiab thiab ithab tihab abith baith aibth iabth biath ibath abtih batih atbih tabih btaih tbaih aitbh iatbh atibh taibh itabh tiabh bitah ibtah btiah tbiah itbah tibah hbita bhita hibta ihbta bihta ibhta hbtia bhtia htbia thbia bthia tbhia hitba ihtba htiba thiba ithba tihba bitha ibtha btiha tbiha itbha tibha
Note: these 'words' (valid or invalid) are all the permutations of the word ahbit. These words are obtained by scrambling the letters in ahbit.