c-- ccc ccf cco ccr cct ccu cfc cff cfo cfr cft cfu co- coc cof coo cor cot cou crc crf cro crr crt cru ctc ctf cto ctr ctt ctu cuc cuf cuo cur cut cuu fcc fcf fco fcr fct fcu ffc fff ffo ffr fft ffu foc fof foo for fot fou frc frf fro frr frt fru ftc ftf fto ftr ftt ftu fuf fuo fur fut fuu oc- occ ocf oco ocr oct ocu of- ofc off ofo ofr oft ofu oo- ooc oof ooo oor oot or- orc orf oro orr ort oru ot- otc otf oto otr ott otu ou- ouc ouf ouo our out rcc rcf rco rcr rct rcu rfc rff rfo rfr rft rfu roc rof roo ror rot rou rrc rrf rrr rrt rru rtc rtf rto rtr rtt rtu ruc ruf ruo rur rut ruu tcc tcf tco tcr tct tcu tfc tff tfo tfr tft tfu to- toc tof too tor tot tou trc trf tro trr trt tru ttc ttf tto ttr ttt ttu tuc tuf tuo tur tut tuu ucc ucf uco ucr uct ucu ufc uff ufo ufr uft ufu uoc uoo uor uot ur- urc urf uro urr urt uru utc utf uto utr utt utu uuc uur uut uuu

cccc cccf cccu ccfc ccff ccoc ccrc ccrf ccrt cctc cctt ccuc ccut cfcf cfco cffr cfor cfrt cftc cftr coco coct cocu cofc coff coft coof coot cor- corc corf coro corr cort cotc coto cott cotu cour cout crcc crcr crfc croc croo cror crot crrt crtc crtf crut ctcf ctfc ctfo ctor ctot ctrc cucc cufc cuff cufo curf curo curr curt cut- cutc cuto cutt fccf fcot fcto ffcc ffff ffrr fftf foco fofo foof foot for- foro forr fort foto fott four fout frcc frfc frot frou ft-c ftfc ftuc fuc- fuct fufc fuff fufu fuor fur- furo furr furt futo futu occc occt ocro ocrr oct- octo ocur ofcr off- offc offo offr offu ofor oocr ooff oooo oort orco orff orfu oro- orof oror orot orro ortc orto otfc oto- otof otoo otor otro otto ottu otur oucc oufc ouff our- ouro ourt out- outo ouu- rccc rcfc rctc rffc rftc rocc roco rofc roff rofo roof roor root rorc roro rort roru rotc roto rotr rott rouf rout rrfc rrrr rtcc rtfc ruct rufc ruff rufo ruft rurc ruro ruru ruto rutt rutu tccc tccu tcfc tctc tfcu tfot tftc toco toff tofo toft tofu toof toor toot torc torf toro torr tort toru totc toto totr tott tour tout trcc trfc trfr troc troo trot trou trtc trtr truc trut truu ttfc ttff tttt tucc tuco tufc tuff tufo tuft tufu tuor turc turf turo turr turt turu tuto tutt tutu tuuo ucrc ucut ufcu uocc uofo uor- urff urft uro- uroo urur urut utfo utor utto uttu uuoc uutf uuuu

c-cor ccccc cfour co-co cocc- cocco cocto cocur cofur corfo corfu coro- corot corto cott- cotto cottu couco court couru couto coutu croco croft croot crott crout cruft cruor cuoco curro curto cutco cutcu cutro cutto forro forto forur fotur fouro froot fruct fruto ftrtt fu-fu fuco- fuoco furo- furor futur occur ocftc octo- octor offof offto ofoto ofour ooooo orfor oroco orout ortoo oruro orutu ototo otour ottur ouoro outof outro outto r-co- ro-ro rocco rocor rocou rofor rooft roto- rotor rotot rotto routt ruffo rufo- ruutu tocco toco- tocut toffo tofor torro torto tortu toto- totoo touro troco troff troft trott trout truco truff truro ttttt tuctu tuotu turco turoc turot turro turtu turut tutor tutto tuuru ufofu urour urucu urutu utro- utror uttur uturu ututo uuuuu

cocco- cococo cocto- coocoo corour cortot coruco coruro courr- crocco cruro- curfur curour curror cururo cutcut cutoff cutout cuttoo foofoo foofur forcut forout forrot foufou fourcc fourof fourou fourto frucor furfur furour furrfu futuro occour ocourt octuor offcut offutt oftfor oofotr oooooo orcutt orrour ottoor outcut outfor outour outtro rococo rocoto rootof rotour rotout rotrou roucou routot ruocco rurutu rutour to-cut to-fro tootoo torfou tororo tortor tortou totoro totrot tou-fu tourou toutou toutuo trotro trucco tuotuo turtur turucu tururu tutour tuttut utroor

cooccur corrour cotorro cotutor cou-cou crofoot cut-off cut-out foo-foo footrot forroot fou-fou fourtou furrour occurto off-cut off-off ottrott outfoot outroot rococco rocourt rootfor rootout rootrot too-too tortour tototoo tro-tro trotoff trotout tucuru tut-tut ufotofu

co-occur cocoroco cootfoot corocoro cucurucu curucucu frocourt froufrou outcourt roucourt tocororo toottoot torotoro tourtour tucotuco tucutucu turturro

couroucou croftfoot four-foot four-four frou-frou out-court roocoocoo tuco-tuco tucu-tuco tucu-tucu tuff-tuff tuotuorou tuttototo

fourtofour outofcourt outoftrout rococococo tutortrout

footforfoot

froufroututu out-of-court

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