cccc cccv ccee ccgc ccgt ccoc ccrc ccre ccrg ccrt cctc cctt cctv ccvo cec- cece ceco cect ceec cege cego ceor cer- cerc cere cero cert cery cet- cete ceto cetv cevo cevy cgcc cgcg cger cgro coce coco coct cogo coot cor- corc core corg coro corr cort cory cotc cote coto cott coty cove covo covy coyo coyr coyt crcc crce crcr cre- crec cree creg creo cret croc croe croo cror crot croy crrt crtc crtv cry- cryo ctec ctge ctor ctot ctrc ctvo ctvt cvcc cver cvet cvrg cvrr cvte cyc- cycc cyeg cyre cyrt cyt- cyte cyto cyve cyy- cyyc eccc ecce ecco ecct eco- ecog ecot ecrc ecrr ecrv ect- ectc ecto ectv eeee eeoc eerc eerg eero eery eetc eete egcc egcg egcr egec egee eger egge eggo eggy ego- egor egot egov egre egry egte egyo egyr eore eotc eoto ercc erce erec erer eret erev erg- ergg ergo eroc eroe eroo errc erre erro erve eryc erye etcc etco etec etee eter etoe etoy etre etro ette etto etty etvo ever evet evey evoe evoo evre evry eyec eyer eyet eyey eyot eyre eyry eyte eyyr gc-c gccc gcet gcov gcrg gctc gece geer geet gege gegg gego geo- geog gere gero gert gery gete getg geto gett geve gevo geyt gggg goce gocr goer gogo goog goor goot gore gorg goro gorr gort gory gote goto gott gotv goty gove govt govy goye goyt grcc grce grec gree greg gret grev grey groc grog groo gror grot grov groy grrr grtc grve grvy gry- grye gryt gtco gtcr gtoe gvtv gvvv gyer gyge gyor gyr- gyre gyro gyte gytt gyve o-eo occc occt oce ocee ocet ocre ocro ocrr oct- octe octo octy oec- oecc oeec oere oeye oeyo ogee oger ogge oggy ogog ogre ogro ogry oocr ooer oooo oore oort oory ooty orce orco ore- orec oreg oreo orer orey orge orgo orgy oro- oroe oror orot oroy orro orry ortc orte orto orve orvr otee oter oto- otoe otog otoo otor otov otoy otre otro otry otte otto otyg otyr ovee over ovet ovey ovo- ovoo ovot ovre oyce oyee oyer oyre rccc rcet rcgc rcrg rctc rctg rctv rcvr rcyc recc rece recr rect recy reet reev rege rego regr regt reog reot rere rerg rero rert rery rete reto retr rett rety reve revo revy reye rgtr rocc roce roco roeg roer roet roev roey roge rogg rogo rogy roog roor root rorc rore roro rort rory rotc rote rotg roto rotr rott roty rove rovo roye royt rrrr rtcc rtce rtcg rtee rtve rv-c rver ryet ryge ryot rytt ryyt tccc tcov tctc teco tecr tect teec teer teet teev tegg tego tegt teor ter- terc tere tero terr tery tete teto tetr tett teye teyr tgcc tgtc to-y toce toco toee toer toet toey toge togo togr togt toor toot torc tore torg toro torr tort torv tory totc tote toto totr tott toty tove tovo toyo toyt trcc tre- trec tree treg treo tret trev trey trge troc troe trog troo trot troy trtc trte trtr try- trye tryg tryo tteo tter ttoe ttoy tttt tver tvgc tvro tvrr tvtv tvyo tyce tyco tyee tyer tyet tyr- tyre tyro tyrr tyte tyto tytt tyty vecc veer veet vege veor ver- vere vero vert very vete veto vetr veve vevo vevy veye veyr vgcc voce voer voet voge vogt vooc voog voor voot vor- vore voro vort vory vote voto voye vreo vret vroc vrot vrto vryt vtec vver vvog vvvv vyce vyer vyre vyrt vyte yccc ycee yctc yeer yeet yegg yego yeot yere yero yerr yert yery yete yeto yett yeve yeye yeyo yeyr ygoe ygor ygot yogo yoot yore yoro yort yory yote yott yove yoye yoyo ytre yver yvor yvto yyyy