cccc ccci ccee ccgc ccic ccii ccir ccix ccoc ccrc ccre ccrg ccri ccxi cec- cece ceci ceco ceec cege cego ceor cer- cerc cere ceri cero cexe cgcc cgcg cger cgro cicc cici cico cicr ciee cier cigi ciii cior circ cire ciri ciro cirr cixi coce coco coex cogi cogo coir coix cor- corc core corg cori coro corr coxe crcc crce crcr cre- crec cree creg crei creo crex cric crie crig croc croe croo cror cxii cxix cxro cxxi cxxx eccc ecce ecci ecco ecig eco- ecog ecrc ecri ecrr eeee eeoc eerc eerg eero egcc egcg egcr egec egee eger egge eggi eggo egir ego- egoi egor egre egri eico eiec eiei eier eige eigg eire eoir eore eori er-x ercc erce erec erei erer erg- ergg ergi ergo eric erie erio eroc eroe eroi eroo errc erre erro exco exec exer exge exgi exo- exor exrx gc-c gccc gcic gcii gcrg gece geer gege gegg gego geic geie geig geir geo- geog geox gere geri gero gggg gicr gier gige gigg gigi gigo giog gioi gire girg giri giro girr goce gocr goer gogi gogo goog gooi goor gore gorg gori goro gorr grcc grce grec gree greg grex gric grie grig groc grog groi groo gror grrr i-go iccc icci icco iccr icec icee icer icex icgc icoc icor icrc icre icrr iecc ieie ieio iere ieri igcc iger igoe igoo igor igri iiie iiii iiio iioi iioo iirc iocg ioci ioee ioii ioio iooi iooo iore iorg iori ircc ircg ircx iree irer irex iri- iric irie irig irio irix iroc irrc irre irri ixxi o-eo occc occi oce ocee ocre ocro ocrr oec- oecc oeec oere ogee oger ogge oggi ogog ogoi ogre ogri ogro oici oier oigo oiii oire oocr ooer oooo oore orce orci orco ore- orec oreg oreo orer orex orge orgo ori- oric orie orig orio orix oro- oroe oror orri orro oxer oxi- oxic oxie oxo- oxox oxxo rccc rcgc rcic rcrg recc rece reci recr rege regi rego regr reii reir reog rere rerg reri rero rexx ricc rice rico rier riex rige rigg rigi rigo rire riri rixc rixe rixo rocc roce roco roeg roer roge rogg rogi rogo roig roio roir roog rooi roor roox rorc rore rori roro roxo rrrr xcii xcri xeer xer- xero xexe xggi xico xiii xixi xoco xorg xoro xoxo xxii xxix xxxi xxxo xxxx