cccc cccu ccee ccoc ccrc ccre ccrt cctc cctt ccuc ccut cec- cece ceco cect ceec ceor ceou cer- cerc cere cero cert cet- cete ceto coce coco coct cocu coot cor- corc core coro corr cort cotc cote coto cott cotu coue cour cout crcc crce crcr cre- crec cree creo cret creu croc croe croo cror crot crrt crtc crue crut ctec ctor ctot ctrc cucc cuce cucq cuer cure curo curr curt cut- cutc cute cuto cutt eccc ecce ecco ecct eco- ecot ecou ecrc ecrr ecru ect- ectc ecto eeee eeoc eerc eero eetc eete eetu eore eotc eoto equ- eque equo ercc erce erec erer eret eroc eroe eroo errc erre erro ertu eruc erur etcc etco etec etee eter etoe etre etro ette etto ettu euer eur- eurc eure euro eurt o-eo occc occt oce ocee ocet ocre ocro ocrr oct- octe octo ocur oec- oecc oeec oere oocr ooer oooo oore oort oque orce orco ore- orec oreo orer oro- oroe oror orot orro ortc orte orto otee oter oto- otoe otoo otor otre otro otte otto ottu otur oucc ouer our- oure ouro ourt out- oute outo outq ouu- qcue qere qero qerq qore qqqq qucu quee quer quet quoc quor quot quro qute quu- rccc rcet rctc recc rece recr rect recu reet reot reou rere rero rert reru rete reto retr rett reue reut reuu rocc roce roco roer roet roor root rorc rore roro rort roru rotc rote roto rotr rott roue rout rrrr rtcc rtce rtee ruce ruct ruer ruet rurc rure ruro ruru rute ruto rutt rutu tccc tccu tctc teco tecr tect teec teer teet teor ter- terc tere tero terr teru tete teto tetr tett tetu teut toce toco toee toer toet toor toot torc tore toro torq torr tort toru totc tote toto totr tott tour tout trcc tre- trec tree treo tret treu troc troe troo trot trou trtc trte trtr truc true trut truu tteo tter ttoe tttt tucc tuco tuer tuet tuor turc ture turo turr turt turu tute tuto tutt tutu tuuo ucrc ucut uocc uor- uore uqcc ure- uret uro- uroo urre urte uruq urur urut utec uter utor utto uttu utuq uuoc uuuu