hipihi hippus histi- hitsup huh-uh huisht huishu humhum humism hummum hummus humphs hushih hushup hushut huthut hutsut i-suit ihitit immiss immits impish imputt imusti ipsums isists ismism isthis isthmi istisu itmust itshim itsumi itthis mihstu mihuti mimist mis-pi mishit mishmi mishti misisi misius misput missis missit missus mistis mistup mistus mitsui mm-hmm muhuhu muphti musist musits musius musmus mussit mussum mussup mustis muthis mutish mutism mutist mutitu mutshi mutuum muumuu phipps phitti pimmit pipipi pipits pippip pissis pistis pitpit pittis pituis piuish piumhi piupiu piusii pppppp ppsspp psmith ptitim pumish pumpup puppis pupput pushim pushit pushtu pushup pussi put-up putput putsup putups shihhi shiism shishi shists shisui shittu shmups shshsh shtshi shtums shtups shusht shusui shutit shutup siiiii simisi simsim sishui sisisi sisith sit-up sitsup sittim situps siumut smiths spitup spitus sputum sthiti stipit stiths stiups stpius stu-ii stumps suhut suists suitup sum-up sumisu summit summum summut sumphs sumpit sumsup suphis sushis susumu thisis thithi thitsi thmuis thumps thushi thusis timimi timish timist timmis tip-it tip-up tipiti tippis tippit titipu titius titsup tittup tituss tsmith tsuumi tuhuti tuipui tuiuti tumtum tusmit tussis tutsim tuttis tuttut uh-huh uhhuhs um-hum up-put uppish upshut ustupu utmish utsumi