tabis atbis tbais btais abtis batis taibs atibs tiabs itabs aitbs iatbs tbias btias tibas itbas bitas ibtas abits baits aibts iabts biats ibats tabsi atbsi tbasi btasi abtsi batsi tasbi atsbi tsabi stabi astbi satbi tbsai btsai tsbai stbai bstai sbtai absti basti asbti sabti bsati sbati taisb atisb tiasb itasb aitsb iatsb tasib atsib tsaib staib astib satib tisab itsab tsiab stiab istab sitab aistb iastb asitb saitb isatb siatb tbisa btisa tibsa itbsa bitsa ibtsa tbsia btsia tsbia stbia bstia sbtia tisba itsba tsiba stiba istba sitba bista ibsta bsita sbita isbta sibta abist baist aibst iabst biast ibast absit basit asbit sabit bsait sbait aisbt iasbt asibt saibt isabt siabt bisat ibsat bsiat sbiat isbat sibat
Note: these 'words' (valid or invalid) are all the permutations of the word tabis. These words are obtained by scrambling the letters in tabis.