ffrith fifths firish firsth firsts firths fissi- fittit frisii friths fritts fruish fruits frusht fruti- frutti furfur furrfu futtsu hi-fis hififi histi- histri htruth huh-uh huisht huishu hurius hursit hursts hurth hushih hushut hussif huthur huthut hutsut i-suit ifitis ifrits ihitit iris-t irishw iritis irtish isists isthis istisu isurus itfits itthis ittiri rfhrhs rififi rishis rititi ritius riwuit ruffus rurutu rushit russus ruswut shifts shihhi shirif shirrs shirts shirtt shirui shirur shirut shishi shists shisui shittu shituf shiurs shrift shruff shruti shshsh shtshi shufti shursh shusht shusui shutit shutur siiiii siriri sirius sirris sirsir sirtir sirtis sirtsi sishui sisisi sisith sistri sithir sruthi sshift sssfrs sthiti stiffs stirit stiths striff strift striif strust struth struts strutt stu-ii stuffs sturts stwist suffit suhut suists surtur sushis susurr swifft swifts swish- swstrs swttrs thirst thisis thithi thitsi thrift thriis thrist thruff thrush thrust thtshr thurii thuris thurst thushi thusis tiff-f tirhut tirrit tirwit tishri titiri titius tituss trists tritsu trshts truiff truish truitt trusts truths tshirt tsuris tsurui tuhuti tuiuti turis turist turris turssu turtur tururu tussis tussur tuttis tuttut tuwhit twists uffish uh-huh uhhuhs uritis urushi usiris ussuri usturi uthiru utwith whiffs whirrs whisht whists whuist whurts whusht wifish wiifit wirfus wirths wissit wistit withit wittur wrists wursts wurth