rabbi arbbi rbabi brabi abrbi barbi rabbi arbbi rbabi brabi abrbi barbi rbbai brbai rbbai brbai bbrai bbrai abbri babri abbri babri bbari bbari rabib arbib rbaib braib abrib barib raibb aribb riabb irabb airbb iarbb rbiab briab ribab irbab birab ibrab abirb bairb aibrb iabrb biarb ibarb rabib arbib rbaib braib abrib barib raibb aribb riabb irabb airbb iarbb rbiab briab ribab irbab birab ibrab abirb bairb aibrb iabrb biarb ibarb rbbia brbia rbbia brbia bbria bbria rbiba briba ribba irbba birba ibrba rbiba briba ribba irbba birba ibrba bbira bbira bibra ibbra bibra ibbra abbir babir abbir babir bbair bbair abibr baibr aibbr iabbr biabr ibabr abibr baibr aibbr iabbr biabr ibabr bbiar bbiar bibar ibbar bibar ibbar
Note: these 'words' (valid or invalid) are all the permutations of the word rabbi. These words are obtained by scrambling the letters in rabbi.