mason amson msaon smaon asmon samon maosn amosn moasn omasn aomsn oamsn msoan smoan mosan omsan soman osman asomn saomn aosmn oasmn soamn osamn masno amsno msano smano asmno samno manso amnso mnaso nmaso anmso namso msnao smnao mnsao nmsao snmao nsmao asnmo sanmo ansmo nasmo snamo nsamo maons amons moans omans aomns oamns manos amnos mnaos nmaos anmos namos monas omnas mnoas nmoas onmas nomas aonms oanms anoms naoms onams noams msona smona mosna omsna somna osmna msnoa smnoa mnsoa nmsoa snmoa nsmoa monsa omnsa mnosa nmosa onmsa nomsa sonma osnma snoma nsoma onsma nosma asonm saonm aosnm oasnm soanm osanm asnom sanom ansom nasom snaom nsaom aonsm oansm anosm naosm onasm noasm sonam osnam snoam nsoam onsam nosam
Note: these 'words' (valid or invalid) are all the permutations of the word mason. These words are obtained by scrambling the letters in mason.