-hou cccc ccci cccu cchr ccic ccii ccir ccoc ccrc ccri ccrt cctc cctt ccuc ccut chch chci chic chih chir chit chiu choc choh choi choo chor chou chrc chro chrr chrt chto chtr chtt chui chur chut cicc cich cici cico cicr cict cicu cihr ciht ciii ciit cior circ cirh ciri ciro cirr cirt cith citi cito citt citu ciuc coch coco coct cocu coho coir coit cooh coot cor- corc cori coro corr cort cotc coth coti coto cott cotu cour cout crcc crcr cric crit criu croc croh croo cror crot crrt crtc crut ctic ctor ctot ctrc cucc cuci cui- cuir cuit curi curo curr curt cut- cutc cuth cuto cutt h-ii hccc hcch hchi hhhh hi-c hicc hich hico hihc hihi hiho hiht hiit hiiu hioc hiri hiro hirt hiru hitc hiti hito hitt hoch hocr hoho hoir hoit hoor hoot horc hori horo horr hort hoth hoti hoto hotr hott hotu hour hout hrit hrrc htcc htoh httr huch hucu huhi huhu huir huit huor huot huri huro hurr hurt huru huth huti huto hutt hutu iccc icci icco iccr icct iccu ichc ichi icho ichr ichu icoc icor icrc icrr icrt icru ihcc ihit ihrc ihtc ihuo iiht iiii iiio iiit iioi iioo iirc iitr iitt iiuc ioci ioii ioio ioit iooi iooo iori ioto ircc ircu iri- iric irio iroc iroh irrc irri irti itch ithc itic itoh itoi itoo itor itou itri itto itur iucc iuiu occc occi occt ochi ocht ocro ocrr oct- octi octo ocur ohcc ohhi ohho ohio ohoh ohto ohtu oici oiii oirt oitc oiti oocr ooho oooh oooo oort orch orci orco ori- oric orio orit oro- oror orot orri orro ortc orth orto otho othr otic otit oto- otoh otoo otor otro otti otto ottu otur oucc ouch ouii ouir ouit our- ouro ourt out- outh outi outo ouu- rccc rcic rctc rcti rhio rhoc rhoh ricc rich rico rict riho riht riot riou riri rith riti rito ritt ritu rocc roch roco rohr rohu roio roir roit roiu rooi roor root rorc rori roro rort roru rotc roth roti roto rotr rott rouh rout rrrr rtcc ruch ruci ruct ruhh ruhi ruhr ruit rurc ruri ruro ruru ruth ruti ruto rutt rutu tccc tccu tch- tchh tchi tcho tchr tchu tctc thch thi- thic thio thir thoo thor thot thou thri thro thru thtr thur ticc tich tico tiht tihu tiit tiiu tiou tiri tiro tirr tiru titc tith titi tito titt titu toch toci toco tohi toho tohu toit tooh toor toot torc tori toro torr tort toru totc toth toti toto totr tott touh toui tour tout trcc tri- tric trio trit troc troi troo trot trou trtc trtr truc trut truu tttt tucc tuch tuco tuht tuhu tuit tuiu tuor turc turi turo turr turt turu tuti tuto tutt tutu tuuo ucci uchi ucho ucio ucrc ucut uhoh uhti uhuh uirr uocc uor- urch urci urho uric uriu uro- uroo urrh urri urth urur urut utor utri utti utto uttu uuoc uuri uuuu