mnhub nmhub mhnub hmnub nhmub hnmub mnuhb nmuhb munhb umnhb numhb unmhb mhunb hmunb muhnb umhnb humnb uhmnb nhumb hnumb nuhmb unhmb hunmb uhnmb mnhbu nmhbu mhnbu hmnbu nhmbu hnmbu mnbhu nmbhu mbnhu bmnhu nbmhu bnmhu mhbnu hmbnu mbhnu bmhnu hbmnu bhmnu nhbmu hnbmu nbhmu bnhmu hbnmu bhnmu mnubh nmubh munbh umnbh numbh unmbh mnbuh nmbuh mbnuh bmnuh nbmuh bnmuh mubnh umbnh mbunh bmunh ubmnh bumnh nubmh unbmh nbumh bnumh ubnmh bunmh mhubn hmubn muhbn umhbn humbn uhmbn mhbun hmbun mbhun bmhun hbmun bhmun mubhn umbhn mbuhn bmuhn ubmhn bumhn hubmn uhbmn hbumn bhumn ubhmn buhmn nhubm hnubm nuhbm unhbm hunbm uhnbm nhbum hnbum nbhum bnhum hbnum bhnum nubhm unbhm nbuhm bnuhm ubnhm bunhm hubnm uhbnm hbunm bhunm ubhnm buhnm
Note: these 'words' (valid or invalid) are all the permutations of the word mnhub. These words are obtained by scrambling the letters in mnhub.