-itis fifth firit first firth fissi fists fitit fitri fitts friis friss frist frith frits fritt fruit frush frust ftrtt fu-fu fuffs furir furrs furst furth furus fushi fusht fusi- fusts fusus futsu futuh futur hhhhh hi-fi hi-hi hifis hiisi hirsh hirst hirth hirts hirur hishu hisis hisiu hissi hisss hist- histi hists hitit hrhis hthrt huffs huhuh huhus huish hurri hurst hurts hurtt hurtu hushi husht husri hutir hutit huttu hutus huuru if-- iffhs ifish ifits ifius ifrit ifttt ihurt iiiii iiris iisir iitti iris- irish iriss irisu irrit irshi irssi is-is isfit ishii ishis ishti isisi isiti isits isitt isshi issru issus issuu istus isuus itfit itisi itsit itsus ittti itu-r itu-t ituri ituru itutu rhuis ri-fi riffs rifts riisu rishi rissh risti risus risut rithi ritsu ritts ritus rsssf rsust ruffs rufi- rufus ruhrs ruiru rushh russh russi rusts rustu ruthi ruths ruthu ruuth ruutu s-iii shhhh shift shifu shihr shiri shirr shirt shiru shish shist shits shiur shris shtit shtuf shu-i shuff shuis shuri shurt shuru shush shust shuts shutt shutu siftr sifts sifus sihri sihrs sihui siirt sirih siris siriu sirsi sirur sisis sissi sissu sists sithu sitit sitsi sitti situs siuri siuru siusi siutu sruti sshfs ssssh sssss stfis sthrt stiff stift stihi stiif stiir stirs stirt stith stitt strif strit strrs strui strut stu-i stuff stuft stuhr stuir sturt stush stuss stuth suffr suffs sufis sufri suftu suhur suift suist suith suits surfs surif surir suris surti surtr suruh surui surur surus sushi susus sutri sutth suttu thift thiri thirs thiru thisi thiss thris thrus thsts thuff thuir thuis thuit thurf thurs thurt thuru ti-hi ti-ti tiffs tifts tiris tirit tirrs tirru tirth tirur tishu tisis tisri tiss- tissi tissu tisur tithi titii titis titti titus tris- trish triss trist trit- trits tritt truff truis truit trush truss trust truth truus tsuru tsuur ttttt tuffi tuffs tufit tufts tuhsi tuits turfs turit turri tursi turss turst tursu turtu turut tushi tussi tutsi tutti tutus tuuri tuuru uh-uh uhhuh uhtri uhuhs uhuru uitti urist urith urris urshu ursus uruit ururi urusi uruti urutu ushis ushus ustur ususi usutu utfsf uttur uturu uusis uuuuu