-hou cccc cccf cccu ccfc ccff cchr ccoc ccrc ccrf ccrt cctc cctt ccuc ccut cfcf cfco cffr cfor cfrt cftc cfth cftr chch chfc chfr choc choh choo chor chou chrc chrf chro chrr chrt chto chtr chtt chur chut coch coco coct cocu cofc coff coft coho coof cooh coot cor- corc corf coro corr cort cotc coth coto cott cotu cour cout crcc crcr crfc croc croh croo cror crot crrt crtc crtf crut ctcf ctfc ctfo ctor ctot ctrc cucc cufc cuff cufo curf curo curr curt cut- cutc cuth cuto cutt fccf fcch fcot fcto ffcc ffff ffrr fftf foch foco fofo fohr foof foot for- foro forr fort foth foto fott four fout frcc frfc froh frot frou ft-c ftfc ftuc fuc- fuct fufc fuff fufu fuor fur- furo furr furt futo futu hccc hcch hcfc hhhh hhof hoch hocr hoff hofu hoho hoof hoor hoot horc horo horr hort hoth hoto hotr hott hotu houf hour hout hrfc hrrc htcc htfc htoh httr huch hucu hufc huff hufu huhu huor huot huro hurr hurt huru huth huto hutt hutu occc occt ocht ocro ocrr oct- octo ocur ofcr off- offc offh offo offr offu ofor ohcc ohho ohoh ohto ohtu oocr ooff ooho oooh oooo oort orch orco orff orfu oro- orof oror orot orro ortc orth orto otfc otho othr oto- otof otoh otoo otor otro otto ottu otur oucc ouch oufc ouff our- ouro ourt out- outh outo ouu- rccc rcfc rctc rffc rftc rhoc rhoh rocc roch roco rofc roff rofo rohr rohu roof roor root rorc roro rort roru rotc roth roto rotr rott rouf rouh rout rrfc rrrr rtcc rtfc ruch ruct rufc ruff rufo ruft ruhh ruhr rurc ruro ruru ruth ruto rutt rutu tccc tccu tcfc tch- tchh tcho tchr tchu tctc tfcu tfot tftc thch thof thoo thor thot thou thro thru thtr thur toch toco toff tofo toft tofu toho tohu toof tooh toor toot torc torf toro torr tort toru totc toth toto totr tott touh tour tout trcc trfc trfr troc troo trot trou trtc trtr truc trut truu ttfc ttff tttt tucc tuch tuco tufc tuff tufo tuft tufu tuht tuhu tuor turc turf turo turr turt turu tuto tutt tutu tuuo ucho ucrc ucut ufcu uhoh uhuh uocc uofo uor- urch urff urft urho uro- uroo urrh urth urur urut utfo utor utto uttu uuoc uutf uuuu