yamun aymun ymaun myaun amyun mayun yaumn ayumn yuamn uyamn auymn uaymn ymuan myuan yuman uyman muyan umyan amuyn mauyn aumyn uamyn muayn umayn yamnu aymnu ymanu myanu amynu maynu yanmu aynmu ynamu nyamu anymu naymu ymnau mynau ynmau nymau mnyau nmyau amnyu manyu anmyu namyu mnayu nmayu yaunm ayunm yuanm uyanm auynm uaynm yanum aynum ynaum nyaum anyum nayum yunam uynam ynuam nyuam unyam nuyam aunym uanym anuym nauym unaym nuaym ymuna myuna yumna uymna muyna umyna ymnua mynua ynmua nymua mnyua nmyua yunma uynma ynuma nyuma unyma nuyma munya umnya mnuya nmuya unmya numya amuny mauny aumny uamny muany umany amnuy manuy anmuy namuy mnauy nmauy aunmy uanmy anumy naumy unamy nuamy munay umnay mnuay nmuay unmay numay
Note: these 'words' (valid or invalid) are all the permutations of the word yamun. These words are obtained by scrambling the letters in yamun.