truss rtuss turss utrss rutss urtss trsus rtsus tsrus strus rstus srtus tusrs utsrs tsurs sturs ustrs sutrs rusts ursts rsuts sruts usrts surts truss rtuss turss utrss rutss urtss trsus rtsus tsrus strus rstus srtus tusrs utsrs tsurs sturs ustrs sutrs rusts ursts rsuts sruts usrts surts trssu rtssu tsrsu strsu rstsu srtsu trssu rtssu tsrsu strsu rstsu srtsu tssru stsru tssru stsru sstru sstru rsstu srstu rsstu srstu ssrtu ssrtu tussr utssr tsusr stusr ustsr sutsr tussr utssr tsusr stusr ustsr sutsr tssur stsur tssur stsur sstur sstur usstr sustr usstr sustr ssutr ssutr russt ursst rsust srust usrst surst russt ursst rsust srust usrst surst rssut srsut rssut srsut ssrut ssrut ussrt susrt ussrt susrt ssurt ssurt
Note: these 'words' (valid or invalid) are all the permutations of the word truss. These words are obtained by scrambling the letters in truss.