fflush fifths filfil filius filli- fillis fislis fissi- fitful fithul fittit fluffs fluhli fluish flusht fulfil fusils futtsu hi-fis hififi hihful hilili hillis hillul histi- hluthi huh-uh huisht huishu huluhu hulusi hushih hushut hussif husulu huthut hutsut i-suit iffwil ifitis ihitit illfit illful illish illlit isists isthis istisu itfits itslit itthis itwill lifful lifull lilith lilius lillis lilliu lishui lithi- lituit lituus liulis liushi ltsulu lufful luhuti lullus lushui lutist lwsuit shifts shihhi shills shishi shists shisui shittu shituf shshsh shtshi shufti shusht shusui shutit sihuli siiiii silili silius sishui sisisi sisith sistil sisulu sluffs sshift sthiti stiffs stilfs stilli stills stilth stilts stilus stiths stu-ii stuffs stuill stulls stulth stulti stwist suffit sufli suhut suists sulili sushil sushis susulu swifft swifts swills swish- thills thisis thisll thithi thitsi thushi thusis tiff-f tiflis tilius tillis tilsit tilths tiltil tisili titius titlis tituli tituss tiwill tuhuti tuiuti tullus tulshi tussis tutill tuttis tuttul tuttut tuwhit twilit twills twilts twists uffish uh-huh uhhuhs ulfuls ulithi ulitis ulutiu ustult utilis uttwil utwith whiffs whilst whilwh whisht whistl whists whittl whuist whusht wifish wiifit wilful willis willst wissit wistit witful withit wiwili