hlllyh huh-uh huluhu humhum hummum hummus hummyl humphs humusy hushup husulu hy-spy hyllus hyppus lullus lummus lumpus lushly lymph- lymphs lymphy lypsyl mm-hmm muhuhu mullum mullus mulmul mulsum musmus mussum mussup musuly muumuu mymymy phlppl phyll- phylum plummy plumps plumpy plushy pppppp ppsspp psylly pullup pullus pulsus pulysh pumpup pushup pussly s-l-m s-plus shmups shshsh slummy slumps slumpy slushy smushy sulph- sum-up summum sumphs sumsup supply susulu susumu syllup sylphs sylypp sympus syphus uh-huh uhhuhs um-hum yummly yumyum