cccc ccee ccgc cche cchr ccoc ccrc ccre ccrg cec- cece ceco ceec cege cego ceor cer- cerc cere cero cgcc cgcg cger cgro chce chch chec chee cheh cher chge choc choh choo chor chrc chro chrr coce coch coco cogh cogo coho cooh cor- corc core corg coro corr crcc crce crcr cre- crec cree creg creh creo croc croe croh croo cror eccc ecce ecco eche echo eco- ecog ecrc ecrr eeee eeoc eerc eerg eero egcc egcg egcr egec egee eger egge eggh eggo eghe eghh ego- egor egre ehcc eheh eher ehre eore ercc erce erch erec erer erg- ergg ergh ergo erhc eroc eroe eroo errc erre erro gc-c gccc gcrg gece geer gege gegg gego geo- geog gere gero gggg gghg ghee gheg goce goch gocr goer gogh gogo goog goor gore gorg goro gorr grcc grce grec gree greg groc grog groh groo gror grrr hccc hcch hcgh hech heeg heer hege hegg hegh hego hehe heho heor herc here herg hero herr hggc hhgg hhhh hoce hoch hocr hoer hoge hogg hogh hogo hohe hoho hooe hoor horc hore horg horo horr hree hrrc o-eo occc oce ocee oche ocre ocro ocrr oec- oecc oeec oere ogee oger ogge ogog ogre ogro ohcc ohee oher ohgr ohho ohoh ohre oocr ooer ooho oooh oooo oore orce orch orco ore- orec oreg oreh oreo orer orge orgo orhe oro- oroe oror orro rccc rcgc rcrg recc rece rech recr rege rego regr rehe reog rere rerg rero rhce rhcg rhee rheo rhoc rhog rhoh rocc roce roch roco roeg roer roge rogg rogh rogo rohe rohr roog roor rorc rore roro rrrr