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 ceux cexe coce coco coct cocu coex coot cor- corc core coro corr cort cotc cote coto cott cotu coue cour cout coux coxe crcc crce crcr cre- crec cree creo cret creu crex croc croe croo cror crot crrt crtc crue crut crux ctec ctor ctot ctrc cucc cuce cuer cure curo curr curt cut- cutc cute cuto cutt cxro cxxx eccc ecce ecco ecct eco- ecot ecou ecrc ecrr ecru ect- ectc ecto eeee eeoc eerc eero eetc eete eetu eext eore eotc eoto eoux er-x ercc erce erec erer eret eroc eroe eroo errc erre erro ertu eruc erur etcc etco etec etee eter etoe etox etre etro ette etto ettu etux euer eur- eurc eure euro eurt exco exec exer exo- exor exrx exte extr o-eo occc occt oce ocee ocet ocre ocro ocrr oct- octe octo ocur oec- oecc oeec oere oocr ooer oooo oore oort orce orco ore- orec oreo orer orex 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 ouu- oxer oxo- oxox oxxo rccc rcet rctc recc rece recr rect recu reet reot reou rere rero rert reru rete reto retr rett reue reut reuu reux rexx rocc roce roco roer roet roor root roox rorc rore roro rort roru rotc rote roto rotr rott roue rout roux roxo rrrr rtcc rtce rtee rtex 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 tetx teut text toce toco toee toer toet toor toot torc tore toro torr tort toru torx totc tote toto totr tott tour tout tox- toxo toxt trcc tre- trec tree treo tret treu trex troc troe troo trot trou trox trtc trte trtr truc true trut truu trux tteo tter ttoe tttt tucc tuco tuer tuet tuor turc ture turo turr turt turu tute tuto tutt tutu tuuo txtr ucrc ucut uext uocc uor- uore ure- uret urex uro- uroo urox urre urte urur urut utec uter utor utto uttu uuoc uuuu uxor uxue xeer xer- xero xert xexe xoco xoro xote xout xoxo xtro xuxu xxxo xxxx