-hou cccc cccu cccv ccee cche cchr ccoc ccrc ccre ccuc ccvo cec- cece ceco ceec ceor ceou cer- cerc cere cero ceux cevo cexe chce chch chec chee cheh cher cheu chev chex choc choh choo chor chou chov chrc chro chrr chur chvo coce coch coco cocu coex coho cooh cor- corc core coro corr coue cour coux cove covo coxe crcc crce crcr cre- crec cree creh creo creu crex croc croe croh croo cror crue crux cucc cuce cuer cure curo curr cuve cvcc cver cvrr cxro cxxv cxxx eccc ecce ecco eche echo eco- ecou ecrc ecrr ecru ecrv eeee eeoc eerc eero ehcc eheh eher eheu ehre eore eoux er-x ercc erce erch erec erer erev erhc erhu eroc eroe eroo errc erre erro eruc eruh erur eruv erve euch euer eur- eurc eure euro ever evex evoe evoo evre exch exco exec exer exh- exo- exor exrx hccc hcch hech heer hehe heho heor heou herc here hero herr heru heue heur heve hex- hexe hhex hhhh hoce hoch hocr hoer hohe hoho hooe hoor hoox horc hore horo horr houe hour houx hove hree hrrc huch hucu huer huhu huor hure huro hurr huru huve hvcc o-eo occc oce ocee oche ocre ocro ocrr ocur oec- oecc oeec oere ohcc ohee oher ohho ohoh ohre oocr ooer ooho oooh oooo oore orce orch orco ore- orec oreh oreo orer orex orhe oro- oroe oror orro orve orvr oucc ouch ouer our- oure ouro ouu- ovee over ovo- ovoo ovre oxer oxo- oxox oxxo rccc rcuv rcvr recc rece rech recr recu reev rehe reou rere rero reru reue reuu reux reve revo rexx rhce rhee rheo rhex rhoc rhoh rhue rocc roce roch roco roer roev rohe rohr rohu roor roox rorc rore roro roru roue rouh roux rove rovo roxo rrrr ruce ruch ruer ruhe ruhh ruhr rurc rure ruro ruru ruve ruvu rv-c rver rvvh uche ucho ucrc uher uhoh uhuh uocc uor- uore uovo urch ure- ureh urex urho uro- uroo urox urre urrh urur urve uuoc uuuu uv-c uver uvvu uxor uxue vche vecc vech veer veho veoh veor ver- vere vero veur veve vevo vexx vhhh voce voer voeu voho vohu vooc voor vor- vore voro voru voue vouh vour voxx vreo vrhe vroc vuco vver vvvv xeer xer- xero xexe xoco xoro xove xoxo xuxu xxvc xxxo xxxv xxxx