Words with Letters: s p u t u m sputum 10stump 9tumps 9must 6muts 6puts 6smut 6stum 6sump 8tump 8tups 6umps 8 mus 5mut 5pst 5pus 5put 5sum 5sup 5tup 5ump 7ups 5uts 3mu 4um 4up 4us 2ut 2