tranw rtanw tarnw atrnw ratnw artnw trnaw rtnaw tnraw ntraw rntaw nrtaw tanrw atnrw tnarw ntarw antrw natrw rantw arntw rnatw nratw anrtw nartw trawn rtawn tarwn atrwn ratwn artwn trwan rtwan twran wtran rwtan wrtan tawrn atwrn twarn wtarn awtrn watrn rawtn arwtn rwatn wratn awrtn wartn trnwa rtnwa tnrwa ntrwa rntwa nrtwa trwna rtwna twrna wtrna rwtna wrtna tnwra ntwra twnra wtnra nwtra wntra rnwta nrwta rwnta wrnta nwrta wnrta tanwr atnwr tnawr ntawr antwr natwr tawnr atwnr twanr wtanr awtnr watnr tnwar ntwar twnar wtnar nwtar wntar anwtr nawtr awntr wantr nwatr wnatr ranwt arnwt rnawt nrawt anrwt narwt rawnt arwnt rwant wrant awrnt warnt rnwat nrwat rwnat wrnat nwrat wnrat anwrt nawrt awnrt wanrt nwart wnart
Note: these 'words' (valid or invalid) are all the permutations of the word tranw. These words are obtained by scrambling the letters in tranw.