-hou cccc cccf ccci cccu ccfc ccff ccfi cchr ccic ccii ccir ccoc ccrc ccrf ccri ccrt cctc cctt ccuc ccut cfcf cfco cffr cfit cfor cfrt cftc cfth cftr chch chci chfc chfi chfr chic chif chih chir chit chiu choc choh choi choo chor chou chrc chrf chro chrr chrt chto chtr chtt chui chur chut cicc cich cici cico cicr cict cicu ciff cihr ciht ciii ciit cior circ cirh ciri ciro cirr cirt citf cith citi cito citt citu ciuc coch coco coct cocu cofc coff cofi coft coho coif coir coit coof cooh coot cor- corc corf cori coro corr cort cotc coth coti coto cott cotu cour cout crcc crcr crfc cric crif crit criu croc croh croo cror crot crrt crtc crtf crut ctcf ctfc ctfo ctic ctor ctot ctrc cucc cuci cufc cuff cufi cufo cui- cuif cuir cuit curf curi curo curr curt cut- cutc cuth cuto cutt fccf fcch fcic fcii fcot fcto ffcc ffff ffii ffrr fftf fhci fhit ficc fich fico fict fifc fiff fifi fifo fift fiii fior fitc fiti fitt foch foci foco fofo fohr foof foot for- fori foro forr fort foth foti foto fott four fout frcc frfc fric frio frit froh frot frou ft-c ftfc ftii ftuc fuc- fuci fuct fufc fuff fufu fuir fuit fuor fur- furi furo furr furt futi futo futu h-ii hccc hcch hcfc hchi hhhh hhof hi-c hicc hich hico hiff hifh hifi hifo hifr hihc hihi hiho hiht hiit hiiu hioc hirf hiri hiro hirt hiru hitc hiti hito hitt hoch hocr hoff hofu hoho hoif hoir hoit hoof hoor hoot horc hori horo horr hort hoth hoti hoto hotr hott hotu houf hour hout hrfc hrit hrrc htcc htfc htoh httr huch hucu hufc huff hufu huhi huhu huif huir huit huor huot huri huro hurr hurt huru huth huti huto hutt hutu iccc iccf icci icco iccr icct iccu ichc ichi icho ichr ichu icoc icor icrc icrf icrr icrt icru ifco ifht ific ifit ifor ifrf ifri ifto ihcc ihit ihrc ihtc ihuo iiht iiii iiio iiit iioi iioo iirc iitr iitt iiuc ioci iofc ioii ioio ioit ioof iooi iooo iori iotf ioto ircc ircu irfu iri- iric irio iroc iroh irrc irri irtf irti itch ithc itic itif itof itoh itoi itoo itor itou itrf itri ittf itto itur iucc iuiu occc occi occt ochi ocht ocro ocrr oct- octi octo ocur ofcr off- offc offh offo offr offu ofit ofor ohcc ohhi ohho ohif ohio ohoh ohto ohtu oici oiii oirt oitc oiti oocr ooff ooho oooh oooo oort orch orci orco orff orfi orfu ori- oric orif orio orit oro- orof oror orot orri orro ortc orth orto otfc otho othr otic otif otit oto- otof otoh otoo otor otro otti otto ottu otur oucc ouch oufc ouff ouii ouir ouit our- ouro ourt out- outh outi outo ouu- rccc rcfc rcic rctc rcti rffc rfic rftc rhio rhoc rhoh ricc rich rico rict riff rift rifu riho riht riif riot riou riri rith riti rito ritt ritu rocc roch roco rofc roff rofo rohr rohu roif roio roir roit roiu roof rooi roor root rorc rori roro rort roru rotc roth roti roto rotr rott rouf rouh rout rrfc rrif rrrr rtcc rtfc ruch ruci ruct rufc ruff rufo ruft ruhh ruhi ruhr ruif ruit rurc ruri ruro ruru ruth ruti ruto rutt rutu tccc tccu tcfc tch- tchh tchi tcho tchr tchu tctc tfcu tfot tftc thch thi- thic thif thio thir thof thoo thor thot thou thri thro thru thtr thur ticc tich tico tiff tifo tift tiht tihu tiit tiiu tiou tiri tiro tirr tiru titc tith titi tito titt titu toch toci toco toff tofi tofo toft tofu tohi toho tohu toit toof tooh toor toot torc torf tori toro torr tort toru totc toth toti toto totr tott touh toui tour tout trcc trfc trfr tri- tric trif trio trit troc troi troo trot trou trtc trtr truc trut truu ttfc ttff tttt tucc tuch tuco tufc tuff tufi tufo tuft tufu tuht tuhu tuit tuiu tuor turc turf turi turo turr turt turu tuti tuto tutt tutu tuuo ucci uchi ucho ucio ucrc ucut ufcu uhoh uhti uhuh uirr uocc uofo uor- urch urci urff urfi urft urho uric urif uriu uro- uroo urrh urri urth urur urut utfo utor utri utti utto uttu uuoc uuri uutf uuuu